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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 6 |
| 5 | 1 |
| 6 | 1 |
| 7 | 9 |
| 8 | 9 |
| 9 | 1 |
| 10 | 1 |
| 11 | 12 |
| 12 | 108 |
| 13 | 12 |
| 14 | 1 |
| 15 | 1 |
| 16 | 15 |
| 17 | 180 |
| 18 | 180 |
| 19 | 15 |
| 20 | 1 |
| 21 | 1 |
| 22 | 18 |
| 23 | 270 |
| 24 | 3240 |
| 25 | 270 |
| 26 | 18 |
| 27 | 1 |
| 28 | 1 |
| 29 | 21 |
| 30 | 378 |
| 31 | 5670 |
| 32 | 5670 |
| 33 | 378 |
| 34 | 21 |
| 35 | 1 |
| 36 | 1 |
| 37 | 24 |
| 38 | 504 |
| 39 | 9072 |
| 40 | 136080 |
| 41 | 9072 |
| 42 | 504 |
| 43 | 24 |
| 44 | 1 |
| 45 | 1 |
| 46 | 27 |
| 47 | 648 |
| 48 | 13608 |
| 49 | 244944 |
| 50 | 244944 |
| 51 | 13608 |
| 52 | 648 |
| 53 | 27 |
| 54 | 1 |
| 55 | 1 |
| 56 | 30 |
| 57 | 810 |
| 58 | 19440 |
| 59 | 408240 |
| 60 | 7348320 |
| 61 | 408240 |
| 62 | 19440 |
| 63 | 810 |
| 64 | 30 |
| 65 | 1 |
[1,1,1,1,6,1,1,9,9,1,1,12,108,12,1,1,15,180,180, 15,1,1,18,270,3240,270,18,1,1,21,378,5670,5670, 378,21,1,1,24,504,9072,136080,9072,504,24,1,1,27, 648,13608,244944,244944,13608,648,27,1,1,30,810, 19440,408240,7348320,408240,19440,810,30,1] |