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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 10 |
| 3 | 134 |
| 4 | 3298 |
| 5 | 122762 |
| 6 | 6208970 |
| 7 | 399606286 |
| 8 | 31331798914 |
| 9 | 2902190030354 |
| 10 | 310441644900682 |
| 11 | 37685712807847062 |
| 12 | 5120833751373831138 |
| 13 | 770270980249401539482 |
| 14 | 127088854993223378639498 |
| 15 | 22824507222500649365932062 |
| 16 | 4432992797251355031727570434 |
| 17 | 925899965014326913556521154594 |
[1,2,10,134,3298,122762,6208970,399606286, 31331798914,2902190030354,310441644900682, 37685712807847062,5120833751373831138, 770270980249401539482,127088854993223378639498, 22824507222500649365932062, 4432992797251355031727570434, 925899965014326913556521154594] |