n | a(n) |
---|---|
1 | 4 |
2 | 20 |
3 | 26 |
4 | 0 |
5 | 96 |
6 | 524 |
7 | 726 |
8 | 0 |
9 | 2760 |
10 | 15560 |
11 | 22084 |
12 | 0 |
13 | 85120 |
14 | 487564 |
15 | 700966 |
16 | 0 |
17 | 2723256 |
18 | 15746520 |
19 | 22820940 |
20 | 0 |
21 | 89115840 |
22 | 518517560 |
23 | 755594620 |
24 | 0 |
25 | 2961237136 |
26 | 17306539536 |
27 | 25319793096 |
28 | 0 |
29 | 99494853120 |
30 | 583417062540 |
31 | 856125569286 |
32 | 0 |
[4,20,26,0,96,524,726,0,2760,15560,22084,0,85120, 487564,700966,0,2723256,15746520,22820940,0, 89115840,518517560,755594620,0,2961237136, 17306539536,25319793096,0,99494853120, 583417062540,856125569286,0] |