n | a(n) |
---|---|
1 | 1 |
2 | 28 |
3 | 2108 |
4 | 227322 |
5 | 30276740 |
6 | 4541771016 |
7 | 739092675672 |
8 | 127674038970623 |
9 | 23085759901610016 |
10 | 4327973308197103600 |
11 | 835531767841066680300 |
12 | 165266721954751746697155 |
13 | 33364181616540879268092840 |
[1,28,2108,227322,30276740,4541771016, 739092675672,127674038970623,23085759901610016, 4327973308197103600,835531767841066680300, 165266721954751746697155, 33364181616540879268092840] |