The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 8 |
| 3 | 52 |
| 4 | 184 |
| 5 | 480 |
| 6 | 1040 |
| 7 | 1988 |
| 8 | 3472 |
| 9 | 5664 |
| 10 | 8760 |
| 11 | 12980 |
| 12 | 18568 |
| 13 | 25792 |
| 14 | 34944 |
| 15 | 46340 |
| 16 | 60320 |
| 17 | 77248 |
| 18 | 97512 |
| 19 | 121524 |
| 20 | 149720 |
| 21 | 182560 |
| 22 | 220528 |
| 23 | 264132 |
| 24 | 313904 |
| 25 | 370400 |
| 26 | 434200 |
| 27 | 505908 |
| 28 | 586152 |
| 29 | 675584 |
| 30 | 774880 |
| 31 | 884740 |
| 32 | 1005888 |
| 33 | 1139072 |
| 34 | 1285064 |
[0,8,52,184,480,1040,1988,3472,5664,8760,12980, 18568,25792,34944,46340,60320,77248,97512,121524, 149720,182560,220528,264132,313904,370400,434200, 505908,586152,675584,774880,884740,1005888, 1139072,1285064] |