n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 288 |
6 | 3504 |
7 | 26936 |
8 | 168000 |
9 | 930240 |
10 | 4775232 |
11 | 23279256 |
12 | 109368864 |
13 | 499928000 |
14 | 2237835600 |
15 | 9854764920 |
16 | 42836127360 |
17 | 184246957440 |
18 | 785668464000 |
19 | 3326326610400 |
20 | 13998420079488 |
21 | 58611422003904 |
22 | 244341952079456 |
23 | 1014823115578800 |
24 | 4201232634318720 |
25 | 17343550105777280 |
26 | 71420954783418240 |
27 | 293472577948946760 |
28 | 1203572398002156000 |
[0,0,0,0,0,288,3504,26936,168000,930240,4775232, 23279256,109368864,499928000,2237835600, 9854764920,42836127360,184246957440,785668464000, 3326326610400,13998420079488,58611422003904, 244341952079456,1014823115578800,4201232634318720, 17343550105777280,71420954783418240, 293472577948946760,1203572398002156000] |