n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 12 |
4 | 56 |
5 | 288 |
6 | 1587 |
7 | 9222 |
8 | 55957 |
9 | 352267 |
10 | 2290842 |
11 | 15343839 |
12 | 105634437 |
13 | 746478622 |
14 | 5409932286 |
15 | 40189454704 |
16 | 305972524737 |
17 | 2387238374532 |
18 | 19090018863000 |
19 | 156496468777604 |
20 | 1315509548959765 |
21 | 11341506519584442 |
22 | 100300906407392783 |
23 | 909967403153604712 |
24 | 8468614126450656268 |
25 | 80832677102193209308 |
26 | 791071858022525348235 |
[1,1,3,12,56,288,1587,9222,55957,352267,2290842, 15343839,105634437,746478622,5409932286, 40189454704,305972524737,2387238374532, 19090018863000,156496468777604,1315509548959765, 11341506519584442,100300906407392783, 909967403153604712,8468614126450656268, 80832677102193209308,791071858022525348235] |