n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 14 |
6 | 62 |
7 | 572 |
8 | 7409 |
9 | 163284 |
10 | 5736443 |
11 | 342169618 |
12 | 33534945769 |
13 | 5442700283638 |
14 | 1484664946343496 |
15 | 664513607618098252 |
16 | 508538464299389501337 |
17 | 635542752091150346032474 |
18 | 1374528064543283977151585962 |
19 | 4842758246111267151697826493193 |
[1,1,0,1,3,14,62,572,7409,163284,5736443, 342169618,33534945769,5442700283638, 1484664946343496,664513607618098252, 508538464299389501337,635542752091150346032474, 1374528064543283977151585962, 4842758246111267151697826493193] |