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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 7 |
| 18 | 15 |
| 19 | 1 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 10 |
| 24 | 71 |
| 25 | 105 |
| 26 | 1 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 42 |
| 31 | 280 |
| 32 | 1001 |
| 33 | 945 |
| 34 | 1 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1 |
| 38 | 115 |
| 39 | 3660 |
| 40 | 15400 |
| 41 | 18089 |
| 42 | 10395 |
| 43 | 1 |
| 44 | 1 |
| 45 | 1 |
| 46 | 1 |
| 47 | 35 |
| 48 | 20365 |
| 49 | 614040 |
| 50 | 1401400 |
| 51 | 398959 |
| 52 | 135135 |
| 53 | 1 |
| 54 | 1 |
[1,1,1,1,1,1,1,1,1,1,1,1,3,1,1,1,1,7,15,1,1,1,1, 10,71,105,1,1,1,1,42,280,1001,945,1,1,1,1,115, 3660,15400,18089,10395,1,1,1,1,35,20365,614040, 1401400,398959,135135,1,1] |