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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 16 |
| 4 | 2830 |
| 5 | 2462064 |
| 6 | 22853860116 |
| 7 | 1622043117414624 |
| 8 | 961742089476282321684 |
| 9 | 4601667243759511495116347104 |
| 10 | 179517749570891592016479828267003018 |
| 11 | 56735527086758553613684823040730404215973136 |
| 12 | 145328824470156271670635015466987199469360063082789418 |
[1,3,16,2830,2462064,22853860116,1622043117414624, 961742089476282321684, 4601667243759511495116347104, 179517749570891592016479828267003018, 56735527086758553613684823040730404215973136, 14532882447015627167063501546698719946936006308278\ 9418] |