n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 24 |
4 | 229 |
5 | 2449 |
6 | 28035 |
7 | 336100 |
8 | 4165920 |
9 | 52953884 |
10 | 686517601 |
11 | 9042628374 |
12 | 120669757468 |
13 | 1627932844657 |
14 | 22166277534398 |
15 | 304230231637560 |
16 | 4204474770868230 |
17 | 58458984141770754 |
18 | 817176088436608178 |
19 | 11477568712206346244 |
20 | 161897000202383717334 |
21 | 2292445680627209103645 |
[1,1,3,24,229,2449,28035,336100,4165920,52953884, 686517601,9042628374,120669757468,1627932844657, 22166277534398,304230231637560,4204474770868230, 58458984141770754,817176088436608178, 11477568712206346244,161897000202383717334, 2292445680627209103645] |