n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 20 |
7 | 330 |
8 | 5495 |
9 | 97405 |
10 | 1867446 |
11 | 38849790 |
12 | 875734035 |
13 | 21320230140 |
14 | 558453090910 |
15 | 15677076200786 |
16 | 469894617088260 |
17 | 14985440023696415 |
18 | 506831098757070010 |
19 | 18125347345533260190 |
20 | 683518670893880841921 |
21 | 27112243165544881804755 |
22 | 1128576366359460556636770 |
[0,0,0,0,0,1,20,330,5495,97405,1867446,38849790, 875734035,21320230140,558453090910,15677076200786, 469894617088260,14985440023696415, 506831098757070010,18125347345533260190, 683518670893880841921,27112243165544881804755, 1128576366359460556636770] |