n | a(n) |
---|---|
1 | 0 |
2 | 11 |
3 | 1 |
4 | 28 |
5 | 154 |
6 | 520 |
7 | 1574 |
8 | 7204 |
9 | 28790 |
10 | 105055 |
11 | 437163 |
12 | 1792603 |
13 | 6981116 |
14 | 28580319 |
15 | 115795593 |
16 | 464405679 |
17 | 1883192839 |
18 | 7625910371 |
19 | 30781567549 |
20 | 124586304213 |
21 | 504301473498 |
22 | 2038932788749 |
23 | 8250005089404 |
24 | 33384996732923 |
[0,11,1,28,154,520,1574,7204,28790,105055,437163, 1792603,6981116,28580319,115795593,464405679, 1883192839,7625910371,30781567549,124586304213, 504301473498,2038932788749,8250005089404, 33384996732923] |