n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 38 |
4 | 391 |
5 | 5077 |
6 | 79535 |
7 | 1458264 |
8 | 30621237 |
9 | 724555611 |
10 | 19076629520 |
11 | 553236991215 |
12 | 17525729241605 |
13 | 602215048797900 |
14 | 22312035980459259 |
15 | 886733059906749795 |
16 | 37631474149766344476 |
17 | 1698581174869953607957 |
18 | 81257725943229600518977 |
19 | 4106922637708383448243974 |
[1,1,5,38,391,5077,79535,1458264,30621237, 724555611,19076629520,553236991215,17525729241605, 602215048797900,22312035980459259, 886733059906749795,37631474149766344476, 1698581174869953607957,81257725943229600518977, 4106922637708383448243974] |