n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 48 |
4 | 364 |
5 | 3320 |
6 | 35464 |
7 | 433692 |
8 | 5962548 |
9 | 90931152 |
10 | 1522657264 |
11 | 27765229844 |
12 | 547487475484 |
13 | 11604952395816 |
14 | 263091290017560 |
15 | 6351255101776812 |
16 | 162643987129698628 |
17 | 4403250400372110656 |
18 | 125649232950852714496 |
19 | 3769013390615951560068 |
20 | 118555772298034094231724 |
[1,2,8,48,364,3320,35464,433692,5962548,90931152, 1522657264,27765229844,547487475484, 11604952395816,263091290017560,6351255101776812, 162643987129698628,4403250400372110656, 125649232950852714496,3769013390615951560068, 118555772298034094231724] |