n | a(n) |
---|---|
-1 | 23 |
0 | 65 |
1 | 261 |
2 | 1370 |
3 | 8742 |
4 | 65304 |
5 | 557400 |
6 | 5343120 |
7 | 56775600 |
8 | 661933440 |
9 | 8397406080 |
10 | 115123680000 |
11 | 1695705580800 |
12 | 26701944192000 |
13 | 447579574041600 |
14 | 7955978033203200 |
15 | 149473718634240000 |
16 | 2959340324548608000 |
17 | 61578385989120000000 |
18 | 1343454891288846336000 |
[23,65,261,1370,8742,65304,557400,5343120, 56775600,661933440,8397406080,115123680000, 1695705580800,26701944192000,447579574041600, 7955978033203200,149473718634240000, 2959340324548608000,61578385989120000000, 1343454891288846336000] |