n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 5 |
5 | 780 |
6 | 41545 |
7 | 1442910 |
8 | 39400305 |
9 | 923889960 |
10 | 19550316665 |
11 | 384954289170 |
12 | 7196416532305 |
13 | 129495073447740 |
14 | 2264887575116985 |
15 | 38775513868485030 |
16 | 653195404307491505 |
17 | 10869004241198535120 |
18 | 179171681947204584505 |
19 | 2932562923651659410490 |
20 | 47737465871974206925905 |
[0,0,0,0,5,780,41545,1442910,39400305,923889960, 19550316665,384954289170,7196416532305, 129495073447740,2264887575116985, 38775513868485030,653195404307491505, 10869004241198535120,179171681947204584505, 2932562923651659410490,47737465871974206925905] |