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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 87 |
| 3 | 231 |
| 4 | 463 |
| 5 | 617 |
| 6 | 691 |
| 7 | 751 |
| 8 | 855 |
| 9 | 1059 |
| 10 | 1127 |
| 11 | 2795 |
| 12 | 4819 |
| 13 | 11999 |
| 14 | 18527 |
| 15 | 22481 |
| 16 | 75311 |
| 17 | 121939 |
| 18 | 232901 |
| 19 | 256751 |
| 20 | 288883 |
| 21 | 313919 |
| 22 | 371519 |
| 23 | 845831 |
| 24 | 1285841 |
| 25 | 1762799 |
| 26 | 1815167 |
| 27 | 7195199 |
| 28 | 9096191 |
| 29 | 40324121 |
| 30 | 93070943 |
| 31 | 99388823 |
| 32 | 113140151 |
| 33 | 238072223 |
| 34 | 487394063 |
[7,87,231,463,617,691,751,855,1059,1127,2795,4819, 11999,18527,22481,75311,121939,232901,256751, 288883,313919,371519,845831,1285841,1762799, 1815167,7195199,9096191,40324121,93070943, 99388823,113140151,238072223,487394063] |