n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 17 |
5 | 176 |
6 | 2287 |
7 | 49540 |
8 | 1518337 |
9 | 67457584 |
10 | 4254836111 |
11 | 376795261844 |
12 | 46709151254449 |
13 | 8061849904932136 |
14 | 1936383997541071639 |
15 | 646603398091877815516 |
16 | 300476951799493029958913 |
[1,1,1,4,17,176,2287,49540,1518337,67457584, 4254836111,376795261844,46709151254449, 8061849904932136,1936383997541071639, 646603398091877815516,300476951799493029958913] |