n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 15 |
5 | 181 |
6 | 2163 |
7 | 27133 |
8 | 364395 |
9 | 5272861 |
10 | 82289163 |
11 | 1383131773 |
12 | 24978057195 |
13 | 483269202781 |
14 | 9987505786443 |
15 | 219821796033853 |
16 | 5137810967933355 |
17 | 127169580176271901 |
18 | 3324712113052429323 |
19 | 91585136315240091133 |
20 | 2652142325158529483115 |
21 | 80562824634615270041821 |
[0,0,0,1,15,181,2163,27133,364395,5272861, 82289163,1383131773,24978057195,483269202781, 9987505786443,219821796033853,5137810967933355, 127169580176271901,3324712113052429323, 91585136315240091133,2652142325158529483115, 80562824634615270041821] |