n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 12 |
5 | 59 |
6 | 340 |
7 | 2240 |
8 | 16583 |
9 | 136185 |
10 | 1229220 |
11 | 12119025 |
12 | 129957670 |
13 | 1510458859 |
14 | 18958901987 |
15 | 255980593558 |
16 | 3703327622812 |
17 | 57208927916093 |
18 | 941005426734340 |
19 | 16442518936115083 |
20 | 304566619900207724 |
21 | 5967901050385272977 |
22 | 123436972340208737237 |
23 | 2689201938559338920299 |
[1,1,3,12,59,340,2240,16583,136185,1229220, 12119025,129957670,1510458859,18958901987, 255980593558,3703327622812,57208927916093, 941005426734340,16442518936115083, 304566619900207724,5967901050385272977, 123436972340208737237,2689201938559338920299] |