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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 6 |
| 3 | 24 |
| 4 | 60 |
| 5 | 42 |
| 6 | 160 |
| 7 | 560 |
| 8 | 688 |
| 9 | 308 |
| 10 | 1120 |
| 11 | 5040 |
| 12 | 8760 |
| 13 | 7080 |
| 14 | 2310 |
| 15 | 8064 |
| 16 | 44352 |
| 17 | 99456 |
| 18 | 114576 |
| 19 | 68712 |
| 20 | 17556 |
| 21 | 59136 |
| 22 | 384384 |
| 23 | 1055040 |
| 24 | 1572480 |
| 25 | 1351840 |
| 26 | 642824 |
| 27 | 134596 |
| 28 | 439296 |
| 29 | 3294720 |
| 30 | 10695168 |
| 31 | 19536000 |
| 32 | 21778560 |
| 33 | 14912064 |
| 34 | 5864640 |
| 35 | 1038312 |
[1,4,6,24,60,42,160,560,688,308,1120,5040,8760, 7080,2310,8064,44352,99456,114576,68712,17556, 59136,384384,1055040,1572480,1351840,642824, 134596,439296,3294720,10695168,19536000,21778560, 14912064,5864640,1038312] |