n | a(n) |
---|---|
0 | 1 |
1 | 22 |
2 | 462 |
3 | 9702 |
4 | 203742 |
5 | 4278351 |
6 | 89840520 |
7 | 1886549280 |
8 | 39615400440 |
9 | 831878586000 |
10 | 17468509071090 |
11 | 366818925627000 |
12 | 7702782398341800 |
13 | 161749714998425400 |
14 | 3396561002126245800 |
15 | 71323937982067871100 |
[1,22,462,9702,203742,4278351,89840520,1886549280, 39615400440,831878586000,17468509071090, 366818925627000,7702782398341800, 161749714998425400,3396561002126245800, 71323937982067871100] |