n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 3 |
3 | 12 |
4 | 75 |
5 | 522 |
6 | 4179 |
7 | 37608 |
8 | 376083 |
9 | 4136910 |
10 | 49642923 |
11 | 645357996 |
12 | 9035011947 |
13 | 135525179202 |
14 | 2168402867235 |
15 | 36862848742992 |
16 | 663531277373859 |
17 | 12607094270103318 |
[1,0,3,12,75,522,4179,37608,376083,4136910, 49642923,645357996,9035011947,135525179202, 2168402867235,36862848742992,663531277373859, 12607094270103318] |