n | a(n) |
---|---|
0 | 1 |
1 | 10 |
2 | 280 |
3 | 15440 |
4 | 1412480 |
5 | 193606400 |
6 | 37162777600 |
7 | 9519986944000 |
8 | 3139364220928000 |
9 | 1295834618224640000 |
10 | 654668849830461440000 |
11 | 397456058751397068800000 |
12 | 285567610965661253632000000 |
[1,10,280,15440,1412480,193606400,37162777600, 9519986944000,3139364220928000, 1295834618224640000,654668849830461440000, 397456058751397068800000, 285567610965661253632000000] |