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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 12 |
| 5 | 1 |
| 6 | 1 |
| 7 | 24 |
| 8 | 24 |
| 9 | 1 |
| 10 | 1 |
| 11 | 40 |
| 12 | 960 |
| 13 | 40 |
| 14 | 1 |
| 15 | 1 |
| 16 | 60 |
| 17 | 2400 |
| 18 | 2400 |
| 19 | 60 |
| 20 | 1 |
| 21 | 1 |
| 22 | 84 |
| 23 | 5040 |
| 24 | 201600 |
| 25 | 5040 |
| 26 | 84 |
| 27 | 1 |
| 28 | 1 |
| 29 | 112 |
| 30 | 9408 |
| 31 | 564480 |
| 32 | 564480 |
| 33 | 9408 |
| 34 | 112 |
| 35 | 1 |
| 36 | 1 |
| 37 | 144 |
| 38 | 16128 |
| 39 | 1354752 |
| 40 | 81285120 |
| 41 | 1354752 |
| 42 | 16128 |
| 43 | 144 |
| 44 | 1 |
| 45 | 1 |
| 46 | 180 |
| 47 | 25920 |
| 48 | 2903040 |
| 49 | 243855360 |
| 50 | 243855360 |
| 51 | 2903040 |
| 52 | 25920 |
| 53 | 180 |
| 54 | 1 |
[1,1,1,1,12,1,1,24,24,1,1,40,960,40,1,1,60,2400, 2400,60,1,1,84,5040,201600,5040,84,1,1,112,9408, 564480,564480,9408,112,1,1,144,16128,1354752, 81285120,1354752,16128,144,1,1,180,25920,2903040, 243855360,243855360,2903040,25920,180,1] |