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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 6 |
| 3 | 11 |
| 4 | 61 |
| 5 | 1353 |
| 6 | 6826 |
| 7 | 8179 |
| 8 | 15005 |
| 9 | 83204 |
| 10 | 1845493 |
| 11 | 9310669 |
| 12 | 11156162 |
| 13 | 20466831 |
| 14 | 113490317 |
| 15 | 2517253805 |
| 16 | 12699759342 |
| 17 | 15217013147 |
| 18 | 27916772489 |
| 19 | 154800875592 |
| 20 | 3433536035513 |
| 21 | 17322481053157 |
| 22 | 20756017088670 |
| 23 | 38078498141827 |
| 24 | 211148507797805 |
[1,5,6,11,61,1353,6826,8179,15005,83204,1845493, 9310669,11156162,20466831,113490317,2517253805, 12699759342,15217013147,27916772489,154800875592, 3433536035513,17322481053157,20756017088670, 38078498141827,211148507797805] |