n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 24 |
3 | 553 |
4 | 12720 |
5 | 292561 |
6 | 6728904 |
7 | 154764793 |
8 | 3559590240 |
9 | 81870575521 |
10 | 1883023236984 |
11 | 43309534450633 |
12 | 996119292364560 |
13 | 22910743724384881 |
14 | 526947105660852264 |
15 | 12119783430199602073 |
16 | 278755018894590847680 |
17 | 6411365434575589496641 |
18 | 147461404995238558422744 |
[0,1,24,553,12720,292561,6728904,154764793, 3559590240,81870575521,1883023236984, 43309534450633,996119292364560,22910743724384881, 526947105660852264,12119783430199602073, 278755018894590847680,6411365434575589496641, 147461404995238558422744] |