n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 2 |
4 | 4 |
5 | 44 |
6 | 28 |
7 | 356 |
8 | 712 |
9 | 2264 |
10 | 2008 |
11 | 26696 |
12 | 25672 |
13 | 356264 |
14 | 352168 |
15 | 343976 |
16 | 687952 |
17 | 12186704 |
18 | 12121168 |
19 | 232530416 |
20 | 232268272 |
21 | 231743984 |
22 | 230695408 |
23 | 5350034576 |
24 | 5345840272 |
25 | 26754367184 |
26 | 26737589968 |
27 | 80246324336 |
28 | 80179215472 |
[0,0,2,4,44,28,356,712,2264,2008,26696,25672, 356264,352168,343976,687952,12186704,12121168, 232530416,232268272,231743984,230695408, 5350034576,5345840272,26754367184,26737589968, 80246324336,80179215472] |