n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 8 |
3 | 29 |
4 | 128 |
5 | 537 |
6 | 2280 |
7 | 9653 |
8 | 40896 |
9 | 173233 |
10 | 733832 |
11 | 3108557 |
12 | 13168064 |
13 | 55780809 |
14 | 236291304 |
15 | 1000946021 |
16 | 4240075392 |
17 | 17961247585 |
18 | 76085065736 |
19 | 322301510525 |
20 | 1365291107840 |
21 | 5783465941881 |
22 | 24499154875368 |
[0,1,8,29,128,537,2280,9653,40896,173233,733832, 3108557,13168064,55780809,236291304,1000946021, 4240075392,17961247585,76085065736,322301510525, 1365291107840,5783465941881,24499154875368] |