n | a(n) |
---|---|
2 | 1 |
3 | 0 |
4 | 4 |
5 | 4 |
6 | 16 |
7 | 24 |
8 | 71 |
9 | 128 |
10 | 328 |
11 | 650 |
12 | 1552 |
13 | 3232 |
14 | 7437 |
15 | 15904 |
16 | 35884 |
17 | 77840 |
18 | 173792 |
19 | 379896 |
20 | 843411 |
21 | 1851264 |
22 | 4097552 |
23 | 9014038 |
24 | 19918944 |
25 | 43871360 |
26 | 96860441 |
27 | 213472064 |
28 | 471086932 |
29 | 1038595100 |
30 | 2291372912 |
31 | 5052682904 |
32 | 11145821407 |
33 | 24580005376 |
34 | 54217564504 |
35 | 119573069218 |
[1,0,4,4,16,24,71,128,328,650,1552,3232,7437, 15904,35884,77840,173792,379896,843411,1851264, 4097552,9014038,19918944,43871360,96860441, 213472064,471086932,1038595100,2291372912, 5052682904,11145821407,24580005376,54217564504, 119573069218] |