| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 5 |
| 4 | 1 |
| 5 | 6 |
| 6 | 15 |
| 7 | 1 |
| 8 | 7 |
| 9 | 20 |
| 10 | 35 |
| 11 | 1 |
| 12 | 8 |
| 13 | 25 |
| 14 | 50 |
| 15 | 70 |
| 16 | 1 |
| 17 | 9 |
| 18 | 30 |
| 19 | 65 |
| 20 | 105 |
| 21 | 126 |
| 22 | 1 |
| 23 | 10 |
| 24 | 35 |
| 25 | 80 |
| 26 | 140 |
| 27 | 196 |
| 28 | 210 |
| 29 | 1 |
| 30 | 11 |
| 31 | 40 |
| 32 | 95 |
| 33 | 175 |
| 34 | 266 |
| 35 | 336 |
| 36 | 330 |
| 37 | 1 |
| 38 | 12 |
| 39 | 45 |
| 40 | 110 |
| 41 | 210 |
| 42 | 336 |
| 43 | 462 |
| 44 | 540 |
| 45 | 495 |
| 46 | 1 |
| 47 | 13 |
| 48 | 50 |
| 49 | 125 |
| 50 | 245 |
| 51 | 406 |
| 52 | 588 |
| 53 | 750 |
| 54 | 825 |
| 55 | 715 |
| 56 | 1 |
| 57 | 14 |
| 58 | 55 |
| 59 | 140 |
| 60 | 280 |
| 61 | 476 |
| 62 | 714 |
| 63 | 960 |
| 64 | 1155 |
| 65 | 1210 |
| 66 | 1001 |
| 67 | 1 |
[1,1,5,1,6,15,1,7,20,35,1,8,25,50,70,1,9,30,65, 105,126,1,10,35,80,140,196,210,1,11,40,95,175,266, 336,330,1,12,45,110,210,336,462,540,495,1,13,50, 125,245,406,588,750,825,715,1,14,55,140,280,476, 714,960,1155,1210,1001,1] |