| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 130 |
| 4 | 2317 |
| 5 | 80442 |
| 6 | 2177594 |
| 7 | 64926111 |
| 8 | 1866014652 |
| 9 | 54389364796 |
| 10 | 1576824599171 |
| 11 | 45808159494700 |
| 12 | 1329726624043564 |
| 13 | 38611060907763141 |
| 14 | 1121015217730946894 |
| 15 | 32548443577940946894 |
| 16 | 945021540449512861377 |
[0,1,2,130,2317,80442,2177594,64926111,1866014652, 54389364796,1576824599171,45808159494700, 1329726624043564,38611060907763141, 1121015217730946894,32548443577940946894, 945021540449512861377] |