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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 3 |
| 7 | 4 |
| 8 | 10 |
| 9 | 18 |
| 10 | 10 |
| 11 | 5 |
| 12 | 20 |
| 13 | 63 |
| 14 | 80 |
| 15 | 42 |
| 16 | 6 |
| 17 | 35 |
| 18 | 168 |
| 19 | 360 |
| 20 | 420 |
| 21 | 210 |
| 22 | 7 |
| 23 | 56 |
| 24 | 378 |
| 25 | 1200 |
| 26 | 2310 |
| 27 | 2520 |
| 28 | 1199 |
| 29 | 8 |
| 30 | 84 |
| 31 | 756 |
| 32 | 3300 |
| 33 | 9240 |
| 34 | 16380 |
| 35 | 16786 |
| 36 | 7670 |
| 37 | 9 |
| 38 | 120 |
| 39 | 1386 |
| 40 | 7920 |
| 41 | 30030 |
| 42 | 76440 |
| 43 | 125895 |
| 44 | 122720 |
| 45 | 54224 |
| 46 | 10 |
| 47 | 165 |
| 48 | 2376 |
| 49 | 17160 |
| 50 | 84084 |
| 51 | 286650 |
[1,2,1,3,4,3,4,10,18,10,5,20,63,80,42,6,35,168, 360,420,210,7,56,378,1200,2310,2520,1199,8,84,756, 3300,9240,16380,16786,7670,9,120,1386,7920,30030, 76440,125895,122720,54224,10,165,2376,17160,84084, 286650] |