n | a(n) |
---|---|
3 | 126 |
4 | 1344 |
5 | 2930 |
6 | 28060 |
7 | 55230 |
8 | 538744 |
9 | 969378 |
10 | 10066228 |
11 | 16284862 |
12 | 186362560 |
13 | 265582226 |
14 | 3447630284 |
15 | 4238980734 |
16 | 64031790664 |
17 | 66561185858 |
18 | 1197008258212 |
19 | 1031815027710 |
20 | 22548844488592 |
21 | 15830131853490 |
22 | 428115681210300 |
23 | 240803790623806 |
24 | 8188893146929816 |
[126,1344,2930,28060,55230,538744,969378,10066228, 16284862,186362560,265582226,3447630284, 4238980734,64031790664,66561185858,1197008258212, 1031815027710,22548844488592,15830131853490, 428115681210300,240803790623806,8188893146929816] |