n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 32 |
3 | 336 |
4 | 4096 |
5 | 54912 |
6 | 786432 |
7 | 11824384 |
8 | 184549376 |
9 | 2966845440 |
10 | 48855252992 |
11 | 820675092480 |
12 | 14018773254144 |
13 | 242919827374080 |
14 | 4261707069259776 |
15 | 75576645116559360 |
16 | 1353050213048123392 |
17 | 24428493151359467520 |
18 | 444370175232646840320 |
19 | 8138178004138611179520 |
[1,4,32,336,4096,54912,786432,11824384,184549376, 2966845440,48855252992,820675092480, 14018773254144,242919827374080,4261707069259776, 75576645116559360,1353050213048123392, 24428493151359467520,444370175232646840320, 8138178004138611179520] |