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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 7 |
| 3 | 29 |
| 4 | 73 |
| 5 | 169 |
| 6 | 437 |
| 7 | 1343 |
| 8 | 3001 |
| 9 | 29809 |
| 10 | 32581 |
| 11 | 388631 |
| 12 | 418661 |
| 13 | 5830673 |
| 14 | 6216773 |
| 15 | 6601157 |
| 16 | 13968079 |
| 17 | 87787741 |
| 18 | 127494581 |
| 19 | 132902893 |
| 20 | 250430303 |
| 21 | 366225215 |
| 22 | 1749648679 |
| 23 | 3180922571 |
| 24 | 9914589163 |
| 25 | 257145392467 |
| 26 | 266412327067 |
[2,7,29,73,169,437,1343,3001,29809,32581,388631, 418661,5830673,6216773,6601157,13968079,87787741, 127494581,132902893,250430303,366225215, 1749648679,3180922571,9914589163,257145392467, 266412327067] |