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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 27 |
| 3 | 15 |
| 4 | 63 |
| 5 | 135 |
| 6 | 384 |
| 7 | 315 |
| 8 | 960 |
| 9 | 1995 |
| 10 | 1155 |
| 11 | 1575 |
| 12 | 2835 |
| 13 | 3840 |
| 14 | 5775 |
| 15 | 4095 |
| 16 | 6720 |
| 17 | 14400 |
| 18 | 14175 |
| 19 | 10395 |
| 20 | 13440 |
| 21 | 20475 |
| 22 | 20160 |
| 23 | 36855 |
| 24 | 48384 |
| 25 | 26880 |
| 26 | 46080 |
| 27 | 108675 |
| 28 | 57600 |
| 29 | 51975 |
| 30 | 40320 |
| 31 | 190575 |
| 32 | 100800 |
| 33 | 193536 |
| 34 | 107520 |
| 35 | 172800 |
| 36 | 126720 |
| 37 | 80640 |
| 38 | 174720 |
| 39 | 120960 |
| 40 | 744975 |
[1,3,27,15,63,135,384,315,960,1995,1155,1575,2835, 3840,5775,4095,6720,14400,14175,10395,13440,20475, 20160,36855,48384,26880,46080,108675,57600,51975, 40320,190575,100800,193536,107520,172800,126720, 80640,174720,120960,744975] |