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| n | a(n) |
|---|---|
| 4 | 24 |
| 5 | 240 |
| 6 | 2520 |
| 7 | 26880 |
| 8 | 304080 |
| 9 | 3671136 |
| 10 | 47391120 |
| 11 | 653463360 |
| 12 | 9603708840 |
| 13 | 150046937040 |
| 14 | 2485510331304 |
| 15 | 43536519673920 |
| 16 | 804343214307360 |
| 17 | 15636586027419840 |
| 18 | 319143375070100640 |
| 19 | 6824486562845878656 |
| 20 | 152599994618389811640 |
| 21 | 3561710724832153990320 |
| 22 | 86627571138529803385080 |
| 23 | 2192153071078356814538880 |
| 24 | 57633178354598014299807984 |
| 25 | 1572073330365520093029415200 |
| 26 | 44434609885866805678475703600 |
| 27 | 1299879247128621094998213278400 |
| 28 | 39312834919322919649653205283400 |
| 29 | 1227895179113516869799082638629776 |
| 30 | 39569125440836907870479047149487560 |
| 31 | 1314368274045259508166257769617810880 |
| 32 | 44963797526832537006635800892057862720 |
| 33 | 1582832153412276057834241761650127323520 |
[24,240,2520,26880,304080,3671136,47391120, 653463360,9603708840,150046937040,2485510331304, 43536519673920,804343214307360,15636586027419840, 319143375070100640,6824486562845878656, 152599994618389811640,3561710724832153990320, 86627571138529803385080,2192153071078356814538880, 57633178354598014299807984, 1572073330365520093029415200, 44434609885866805678475703600, 1299879247128621094998213278400, 39312834919322919649653205283400, 1227895179113516869799082638629776, 39569125440836907870479047149487560, 1314368274045259508166257769617810880, 44963797526832537006635800892057862720, 1582832153412276057834241761650127323520] |