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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 168 |
| 3 | 312 |
| 4 | 600 |
| 5 | 768 |
| 6 | 792 |
| 7 | 912 |
| 8 | 1848 |
| 9 | 2472 |
| 10 | 3048 |
| 11 | 3192 |
| 12 | 3288 |
| 13 | 3528 |
| 14 | 3720 |
| 15 | 4008 |
| 16 | 4920 |
| 17 | 5160 |
| 18 | 5208 |
| 19 | 5928 |
| 20 | 6072 |
| 21 | 6792 |
| 22 | 6840 |
| 23 | 6888 |
| 24 | 7080 |
| 25 | 7512 |
| 26 | 7728 |
| 27 | 7800 |
| 28 | 8520 |
| 29 | 8760 |
| 30 | 10632 |
| 31 | 11400 |
| 32 | 11880 |
| 33 | 11928 |
| 34 | 12792 |
| 35 | 13200 |
| 36 | 13440 |
| 37 | 13560 |
| 38 | 14280 |
| 39 | 14640 |
| 40 | 15960 |
[4,168,312,600,768,792,912,1848,2472,3048,3192, 3288,3528,3720,4008,4920,5160,5208,5928,6072,6792, 6840,6888,7080,7512,7728,7800,8520,8760,10632, 11400,11880,11928,12792,13200,13440,13560,14280, 14640,15960] |