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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 39 |
| 3 | 1103 |
| 4 | 36650 |
| 5 | 1333156 |
| 6 | 51392991 |
| 7 | 2062946770 |
| 8 | 85311756697 |
| 9 | 3609589528430 |
| 10 | 155513170273468 |
| 11 | 6799151325525095 |
| 12 | 300899538364069838 |
| 13 | 13453346159391591392 |
| 14 | 606776046327452415295 |
| 15 | 27573839101542183831805 |
| 16 | 1261298294289947726165466 |
| 17 | 58029238642196850552991302 |
[1,2,39,1103,36650,1333156,51392991,2062946770, 85311756697,3609589528430,155513170273468, 6799151325525095,300899538364069838, 13453346159391591392,606776046327452415295, 27573839101542183831805,1261298294289947726165466, 58029238642196850552991302] |