n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 8 |
4 | 0 |
5 | 82 |
6 | 744 |
7 | 6378 |
8 | 31088 |
9 | 189688 |
10 | 1213112 |
11 | 6683852 |
12 | 36486328 |
13 | 201282470 |
14 | 1083585304 |
15 | 5706117458 |
16 | 29819231288 |
17 | 154430502724 |
18 | 790787799376 |
19 | 4014945695196 |
20 | 20241304810488 |
21 | 101336136490228 |
22 | 504096313001272 |
23 | 2493533648002492 |
24 | 12270473056485396 |
[0,0,8,0,82,744,6378,31088,189688,1213112,6683852, 36486328,201282470,1083585304,5706117458, 29819231288,154430502724,790787799376, 4014945695196,20241304810488,101336136490228, 504096313001272,2493533648002492, 12270473056485396] |