n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 34 |
4 | 199 |
5 | 1200 |
6 | 7388 |
7 | 46148 |
8 | 291305 |
9 | 1853580 |
10 | 11868585 |
11 | 76380825 |
12 | 493606725 |
13 | 3201081873 |
14 | 20821158233 |
15 | 135776966761 |
16 | 887393271310 |
17 | 5811082966885 |
18 | 38119865826420 |
19 | 250447855600320 |
20 | 1647729357535485 |
21 | 10854207824989830 |
22 | 71581930485576630 |
[1,6,34,199,1200,7388,46148,291305,1853580, 11868585,76380825,493606725,3201081873, 20821158233,135776966761,887393271310, 5811082966885,38119865826420,250447855600320, 1647729357535485,10854207824989830, 71581930485576630] |