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| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 5912 |
| 3 | 76613 |
| 4 | 1696681 |
| 5 | 33584061 |
| 6 | 686168124 |
| 7 | 14187207394 |
| 8 | 291309897184 |
| 9 | 6009246932279 |
| 10 | 123790207848539 |
| 11 | 2550812879145083 |
| 12 | 52567071084185534 |
| 13 | 1083186544004971825 |
| 14 | 22321284249041523443 |
| 15 | 459966262586941188849 |
[64,5912,76613,1696681,33584061,686168124, 14187207394,291309897184,6009246932279, 123790207848539,2550812879145083, 52567071084185534,1083186544004971825, 22321284249041523443,459966262586941188849] |