n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 12 |
4 | 24 |
5 | 630 |
6 | 84 |
7 | 117656 |
8 | 4176 |
9 | 531531 |
10 | 20020 |
11 | 25937424612 |
12 | 21192 |
13 | 23298085122494 |
14 | 15059100 |
15 | 2562941490 |
16 | 4295033120 |
17 | 48661191875666868498 |
18 | 68025132 |
19 | 104127350297911241532860 |
20 | 25600320440 |
21 | 7355827597153224 |
22 | 53119845582892 |
23 | 907846434775996175406740561352 |
[1,4,12,24,630,84,117656,4176,531531,20020, 25937424612,21192,23298085122494,15059100, 2562941490,4295033120,48661191875666868498, 68025132,104127350297911241532860,25600320440, 7355827597153224,53119845582892, 907846434775996175406740561352] |