Hi ,
May be i think you are looking for absolute row number not relative row number
You can use Vlookup after serial numbering column next to lookup array data.
<table style="background-color: rgb(255, 255, 255); padding-left: 2pt; padding-right: 2pt; font-family: Calibri,Arial; font-size: 11pt;" border="0" cellpadding="0" cellspacing="0"> <colgroup> <col style="width: 30px; font-weight: bold;"> <col style="width: 84px;"> <col style="width: 162px;"></colgroup> <tbody> <tr style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt; font-weight: bold;"> <td>
</td> <td>F</td> <td>G</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">1</td> <td>
</td> <td style="text-align: right;">1</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">2</td> <td>
</td> <td style="text-align: right;">2</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">3</td> <td>
</td> <td style="text-align: right;">3</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">4</td> <td>
</td> <td style="text-align: right;">4</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">5</td> <td style="text-align: right;">2</td> <td style="text-align: right;">5</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">6</td> <td style="text-align: right;">21</td> <td style="text-align: right;">6</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">7</td> <td style="text-align: right;">1</td> <td style="text-align: right;">7</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">8</td> <td>lookup array</td> <td>serially numbered</td></tr></tbody></table>
<table style="background-color: rgb(255, 255, 255); padding-left: 2pt; padding-right: 2pt; font-family: Calibri,Arial; font-size: 11pt;" border="0" cellpadding="0" cellspacing="0"> <colgroup> <col style="width: 30px; font-weight: bold;"> <col style="width: 64px;"> <col style="width: 64px;"></colgroup> <tbody> <tr style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt; font-weight: bold;"> <td>
</td> <td>B</td> <td>C</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">2</td> <td>Looup</td> <td>
</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">3</td> <td style="text-align: right;">1</td> <td style="text-align: right;">7</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">4</td> <td style="text-align: right;">21</td> <td style="text-align: right;">6</td></tr> <tr style="height: 18px;"> <td style="text-align: center; background-color: rgb(202, 202, 202); font-size: 8pt;">5</td> <td style="text-align: right;">2</td> <td style="text-align: right;">5</td></tr></tbody></table>
<table style="border-style: groove; border-color: rgb(0, 255, 0); background-color: rgb(255, 252, 249); font-family: Arial; color: rgb(0, 0, 0); font-size: 10pt;"> <tbody> <tr> <td>Spreadsheet Formulas</td></tr> <tr> <td> <table style="font-family: Arial; font-size: 9pt;" border="1" cellpadding="2" cellspacing="0"> <tbody> <tr style="background-color: rgb(202, 202, 202); font-size: 10pt;"> <td>Cell</td> <td>Formula</td></tr> <tr> <td>C3</td> <td>=VLOOKUP(B3,$F$1:$G$7,2,0)</td></tr> <tr> <td>C4</td> <td>=VLOOKUP(B4,$F$1:$G$7,2,0)</td></tr> <tr> <td>C5</td> <td>=VLOOKUP(B5,$F$1:$G$7,2,0)</td></tr></tbody></table></td></tr></tbody></table>