n | a(n) |
---|---|
1 | 1 |
2 | 554 |
3 | 109152 |
4 | 5747200 |
5 | 128538250 |
6 | 1640929626 |
7 | 14167981324 |
8 | 91769978112 |
9 | 477063389475 |
10 | 2084653722250 |
11 | 7914860972876 |
12 | 26756396132544 |
13 | 82046630783572 |
14 | 231537699283450 |
15 | 608260629969000 |
16 | 1501341920229376 |
17 | 3508131297671589 |
18 | 7809071314434282 |
19 | 16646760371737000 |
[1,554,109152,5747200,128538250,1640929626, 14167981324,91769978112,477063389475, 2084653722250,7914860972876,26756396132544, 82046630783572,231537699283450,608260629969000, 1501341920229376,3508131297671589, 7809071314434282,16646760371737000] |