n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 10 |
4 | 73 |
5 | 490 |
6 | 3246 |
7 | 21814 |
8 | 150535 |
9 | 1072786 |
10 | 7915081 |
11 | 60512348 |
12 | 479371384 |
13 | 3932969516 |
14 | 33392961185 |
15 | 293143783762 |
16 | 2658128519225 |
17 | 24872012040510 |
18 | 239916007100054 |
19 | 2383444110867378 |
20 | 24363881751014383 |
21 | 256034413642582418 |
22 | 2763708806499744097 |
[0,1,10,73,490,3246,21814,150535,1072786,7915081, 60512348,479371384,3932969516,33392961185, 293143783762,2658128519225,24872012040510, 239916007100054,2383444110867378, 24363881751014383,256034413642582418, 2763708806499744097] |