n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 129 |
4 | 43968 |
5 | 254429900 |
6 | 30468670170912 |
7 | 91267244789189735259 |
8 | 8048575431238519331999571800 |
9 | 24051927835861852500932966021650993560 |
10 | 2755731922430783367615449408031031255131879354330 |
[1,1,4,129,43968,254429900,30468670170912, 91267244789189735259,8048575431238519331999571800, 24051927835861852500932966021650993560, 2755731922430783367615449408031031255131879354330] |