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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 30 |
| 5 | 1 |
| 6 | 1 |
| 7 | 210 |
| 8 | 210 |
| 9 | 1 |
| 10 | 1 |
| 11 | 780 |
| 12 | 960 |
| 13 | 780 |
| 14 | 1 |
| 15 | 1 |
| 16 | 2100 |
| 17 | 2850 |
| 18 | 2850 |
| 19 | 2100 |
| 20 | 1 |
| 21 | 1 |
| 22 | 4650 |
| 23 | 6720 |
| 24 | 7290 |
| 25 | 6720 |
| 26 | 4650 |
| 27 | 1 |
| 28 | 1 |
| 29 | 9030 |
| 30 | 13650 |
| 31 | 15540 |
| 32 | 15540 |
| 33 | 13650 |
| 34 | 9030 |
| 35 | 1 |
| 36 | 1 |
| 37 | 15960 |
| 38 | 24960 |
| 39 | 29400 |
| 40 | 30720 |
| 41 | 29400 |
| 42 | 24960 |
| 43 | 15960 |
| 44 | 1 |
| 45 | 1 |
| 46 | 26280 |
| 47 | 42210 |
| 48 | 51030 |
| 49 | 54900 |
| 50 | 54900 |
| 51 | 51030 |
| 52 | 42210 |
| 53 | 26280 |
| 54 | 1 |
[1,1,1,1,30,1,1,210,210,1,1,780,960,780,1,1,2100, 2850,2850,2100,1,1,4650,6720,7290,6720,4650,1,1, 9030,13650,15540,15540,13650,9030,1,1,15960,24960, 29400,30720,29400,24960,15960,1,1,26280,42210, 51030,54900,54900,51030,42210,26280,1] |