n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 5 |
4 | 3 |
5 | 119 |
6 | 719 |
7 | 260 |
8 | 180 |
9 | 495 |
10 | 3628799 |
11 | 39916799 |
12 | 6561647 |
13 | 9899 |
14 | 722799 |
15 | 15308432 |
16 | 735092 |
17 | 779904000 |
18 | 1193692724 |
19 | 77841862127 |
20 | 1947879910469375 |
21 | 7981643124 |
22 | 231453720692 |
23 | 37427202522827 |
24 | 1793894810624 |
25 | 251579908188224 |
26 | 286527829489835787 |
27 | 33866880878997899 |
[0,0,1,5,3,119,719,260,180,495,3628799,39916799, 6561647,9899,722799,15308432,735092,779904000, 1193692724,77841862127,1947879910469375, 7981643124,231453720692,37427202522827, 1793894810624,251579908188224,286527829489835787, 33866880878997899] |