n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 7 |
3 | 70 |
4 | 819 |
5 | 10472 |
6 | 141778 |
7 | 1997688 |
8 | 28989675 |
9 | 430321633 |
10 | 6503352856 |
11 | 99726673130 |
12 | 1547847846090 |
13 | 24269405074740 |
14 | 383846168712104 |
15 | 6116574500860880 |
16 | 98106248306858715 |
17 | 1582638261961640247 |
18 | 25661404527790252375 |
19 | 417980115131315136400 |
[1,1,7,70,819,10472,141778,1997688,28989675, 430321633,6503352856,99726673130,1547847846090, 24269405074740,383846168712104,6116574500860880, 98106248306858715,1582638261961640247, 25661404527790252375,417980115131315136400] |