n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 106 |
3 | 577647 |
4 | 2109982576 |
5 | 6456944905215 |
6 | 17876660472035956 |
7 | 46430207928537211947 |
8 | 115421885515464173794096 |
9 | 278025223449261230834594535 |
10 | 654161903716240398404947790956 |
11 | 1511819633343397824988525954009347 |
12 | 3445493586033489292364092421921715016 |
[0,0,106,577647,2109982576,6456944905215, 17876660472035956,46430207928537211947, 115421885515464173794096, 278025223449261230834594535, 654161903716240398404947790956, 1511819633343397824988525954009347, 3445493586033489292364092421921715016] |