n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 8 |
4 | 584 |
5 | 5464 |
6 | 26360 |
7 | 91120 |
8 | 252720 |
9 | 603696 |
10 | 1288592 |
11 | 2525400 |
12 | 4620728 |
13 | 7998984 |
14 | 13219528 |
15 | 21014336 |
16 | 32306400 |
17 | 48256608 |
18 | 70282656 |
19 | 100115880 |
20 | 139819944 |
21 | 191858360 |
22 | 259112216 |
23 | 344959120 |
24 | 453289232 |
25 | 588596368 |
26 | 755991600 |
[0,0,8,584,5464,26360,91120,252720,603696,1288592, 2525400,4620728,7998984,13219528,21014336, 32306400,48256608,70282656,100115880,139819944, 191858360,259112216,344959120,453289232,588596368, 755991600] |