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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 64 |
| 4 | 1941 |
| 5 | 206368 |
| 6 | 75611761 |
| 7 | 94790703104 |
| 8 | 410032402903457 |
| 9 | 6209873423645364736 |
| 10 | 334295041653397160758401 |
| 11 | 64833891274601856058512662528 |
| 12 | 45812224321723327287804258678310401 |
| 13 | 119028985004291580552833610988687896223744 |
| 14 | 1145666652669402964793972560725343625287570503681 |
[1,2,7,64,1941,206368,75611761,94790703104, 410032402903457,6209873423645364736, 334295041653397160758401, 64833891274601856058512662528, 45812224321723327287804258678310401, 119028985004291580552833610988687896223744, 1145666652669402964793972560725343625287570503681] |