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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 72 |
| 3 | 120 |
| 4 | 240 |
| 5 | 1560 |
| 6 | 840 |
| 7 | 1848 |
| 8 | 7728 |
| 9 | 9240 |
| 10 | 21840 |
| 11 | 10920 |
| 12 | 55440 |
| 13 | 236208 |
| 14 | 469560 |
| 15 | 207480 |
| 16 | 175560 |
| 17 | 185640 |
| 18 | 314160 |
| 19 | 120120 |
| 20 | 885360 |
| 21 | 2282280 |
| 22 | 526680 |
| 23 | 5542680 |
| 24 | 5383560 |
| 25 | 6366360 |
| 26 | 2042040 |
| 27 | 4564560 |
| 28 | 5091240 |
| 29 | 6440280 |
| 30 | 2984520 |
| 31 | 7382760 |
[5,72,120,240,1560,840,1848,7728,9240,21840,10920, 55440,236208,469560,207480,175560,185640,314160, 120120,885360,2282280,526680,5542680,5383560, 6366360,2042040,4564560,5091240,6440280,2984520, 7382760] |