n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 28 |
3 | 4 |
4 | 232 |
5 | 72 |
6 | 12 |
7 | 2156 |
8 | 1008 |
9 | 308 |
10 | 48 |
11 | 8 |
12 | 21944 |
13 | 13160 |
14 | 5540 |
15 | 1560 |
16 | 420 |
17 | 80 |
18 | 20 |
19 | 240280 |
20 | 168780 |
21 | 87192 |
22 | 33628 |
23 | 11964 |
24 | 3636 |
25 | 1200 |
26 | 264 |
27 | 72 |
28 | 12 |
29 | 2787320 |
30 | 2168544 |
31 | 1291220 |
32 | 610232 |
33 | 262612 |
34 | 101976 |
35 | 40376 |
36 | 13720 |
37 | 4900 |
38 | 1512 |
39 | 420 |
40 | 112 |
41 | 28 |
[1,4,28,4,232,72,12,2156,1008,308,48,8,21944, 13160,5540,1560,420,80,20,240280,168780,87192, 33628,11964,3636,1200,264,72,12,2787320,2168544, 1291220,610232,262612,101976,40376,13720,4900, 1512,420,112,28] |