n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 4 |
7 | 27 |
8 | 172 |
9 | 1141 |
10 | 8017 |
11 | 60319 |
12 | 486372 |
13 | 4196384 |
14 | 38621356 |
15 | 377949874 |
16 | 3920335179 |
17 | 42975606304 |
18 | 496545261764 |
19 | 6031989895262 |
20 | 76867521958187 |
21 | 1025417405366410 |
22 | 14292224499308110 |
23 | 207763603833695113 |
24 | 3144818752057400765 |
[1,0,0,0,0,4,27,172,1141,8017,60319,486372, 4196384,38621356,377949874,3920335179,42975606304, 496545261764,6031989895262,76867521958187, 1025417405366410,14292224499308110, 207763603833695113,3144818752057400765] |