n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 6 |
3 | 43 |
4 | 291 |
5 | 1992 |
6 | 13595 |
7 | 92845 |
8 | 633966 |
9 | 4329023 |
10 | 29560367 |
11 | 201850896 |
12 | 1378323999 |
13 | 9411785201 |
14 | 64267689006 |
15 | 438847231427 |
16 | 2996636337771 |
17 | 20462312853336 |
18 | 139725412120339 |
19 | 954104794142789 |
20 | 6515035056168654 |
[0,1,6,43,291,1992,13595,92845,633966,4329023, 29560367,201850896,1378323999,9411785201, 64267689006,438847231427,2996636337771, 20462312853336,139725412120339,954104794142789, 6515035056168654] |