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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 3 |
| 11 | 3 |
| 12 | 5 |
| 13 | 16 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 3 |
| 18 | 4 |
| 19 | 9 |
| 20 | 25 |
| 21 | 49 |
| 22 | 70 |
| 23 | 168 |
| 24 | 768 |
| 25 | 1 |
| 26 | 1 |
| 27 | 1 |
| 28 | 3 |
| 29 | 4 |
| 30 | 10 |
| 31 | 30 |
| 32 | 63 |
| 33 | 162 |
| 34 | 372 |
| 35 | 1506 |
| 36 | 3300 |
| 37 | 7887 |
| 38 | 15015 |
| 39 | 48048 |
| 40 | 292864 |
| 41 | 1 |
| 42 | 1 |
| 43 | 1 |
| 44 | 3 |
| 45 | 4 |
| 46 | 10 |
| 47 | 31 |
| 48 | 69 |
| 49 | 182 |
| 50 | 525 |
| 51 | 1911 |
| 52 | 5115 |
| 53 | 17347 |
| 54 | 43758 |
| 55 | 149721 |
| 56 | 626769 |
| 57 | 1946516 |
| 58 | 4934930 |
[1,1,1,1,1,1,2,1,1,1,3,3,5,16,1,1,1,3,4,9,25,49, 70,168,768,1,1,1,3,4,10,30,63,162,372,1506,3300, 7887,15015,48048,292864,1,1,1,3,4,10,31,69,182, 525,1911,5115,17347,43758,149721,626769,1946516, 4934930] |