n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 35 |
4 | 200 |
5 | 1201 |
6 | 7389 |
7 | 46149 |
8 | 291306 |
9 | 1853581 |
10 | 11868586 |
11 | 76380826 |
12 | 493606726 |
13 | 3201081874 |
14 | 20821158234 |
15 | 135776966762 |
16 | 887393271311 |
17 | 5811082966886 |
18 | 38119865826421 |
19 | 250447855600321 |
20 | 1647729357535486 |
21 | 10854207824989831 |
22 | 71581930485576631 |
23 | 472560922429972951 |
24 | 3122648143126315651 |
[1,2,7,35,200,1201,7389,46149,291306,1853581, 11868586,76380826,493606726,3201081874, 20821158234,135776966762,887393271311, 5811082966886,38119865826421,250447855600321, 1647729357535486,10854207824989831, 71581930485576631,472560922429972951, 3122648143126315651] |