n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 10 |
5 | 54 |
6 | 392 |
7 | 3378 |
8 | 34120 |
9 | 393738 |
10 | 5112406 |
11 | 73756026 |
12 | 1170482186 |
13 | 20263782630 |
14 | 380047964920 |
15 | 7676106365966 |
16 | 166114208828980 |
17 | 3834434324386350 |
18 | 94042629535109500 |
19 | 2442147034719168714 |
20 | 66942194906112161302 |
21 | 1931543452345335094678 |
22 | 58519191359163454708564 |
[0,1,2,10,54,392,3378,34120,393738,5112406, 73756026,1170482186,20263782630,380047964920, 7676106365966,166114208828980,3834434324386350, 94042629535109500,2442147034719168714, 66942194906112161302,1931543452345335094678, 58519191359163454708564] |