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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 10 |
| 5 | 109 |
| 6 | 2344 |
| 7 | 95526 |
| 8 | 7321508 |
| 9 | 1062894966 |
| 10 | 295821381776 |
| 11 | 159750645147982 |
| 12 | 169055785061863986 |
| 13 | 353149667541498542122 |
| 14 | 1463495730873823283553016 |
| 15 | 12070551778811708797824867546 |
| 16 | 198534598750957942596957876692320 |
| 17 | 6519958358404237723197281898833187776 |
[1,1,2,10,109,2344,95526,7321508,1062894966, 295821381776,159750645147982,169055785061863986, 353149667541498542122,1463495730873823283553016, 12070551778811708797824867546, 198534598750957942596957876692320, 6519958358404237723197281898833187776] |