n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 14 |
4 | 79 |
5 | 516 |
6 | 3802 |
7 | 30668 |
8 | 268815 |
9 | 2522594 |
10 | 25201736 |
11 | 266014607 |
12 | 2953171684 |
13 | 34326755191 |
14 | 416313253084 |
15 | 5251970372080 |
16 | 68737673434847 |
17 | 931207966502919 |
18 | 13031639620371226 |
19 | 188051624603419973 |
20 | 2793741995189126920 |
21 | 42668132798523737471 |
22 | 669061042470049870917 |
[1,1,3,14,79,516,3802,30668,268815,2522594, 25201736,266014607,2953171684,34326755191, 416313253084,5251970372080,68737673434847, 931207966502919,13031639620371226, 188051624603419973,2793741995189126920, 42668132798523737471,669061042470049870917] |