n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 21 |
4 | 330 |
5 | 4931 |
6 | 76064 |
7 | 1257345 |
8 | 22707559 |
9 | 452800399 |
10 | 10023029299 |
11 | 246756095614 |
12 | 6752175162108 |
13 | 204875755372586 |
14 | 6868905893537535 |
15 | 253432530143048034 |
16 | 10246233216680784186 |
17 | 452038162651568624259 |
[0,0,1,21,330,4931,76064,1257345,22707559, 452800399,10023029299,246756095614,6752175162108, 204875755372586,6868905893537535, 253432530143048034,10246233216680784186, 452038162651568624259] |