The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 1 |
| 4 | 4 |
| 5 | 6 |
| 6 | 1 |
| 7 | 5 |
| 8 | 10 |
| 9 | 10 |
| 10 | 1 |
| 11 | 6 |
| 12 | 14 |
| 13 | 20 |
| 14 | 15 |
| 15 | 1 |
| 16 | 7 |
| 17 | 18 |
| 18 | 30 |
| 19 | 35 |
| 20 | 21 |
| 21 | 1 |
| 22 | 8 |
| 23 | 22 |
| 24 | 40 |
| 25 | 55 |
| 26 | 56 |
| 27 | 28 |
| 28 | 1 |
| 29 | 9 |
| 30 | 26 |
| 31 | 50 |
| 32 | 75 |
| 33 | 91 |
| 34 | 84 |
| 35 | 36 |
| 36 | 1 |
| 37 | 10 |
| 38 | 30 |
| 39 | 60 |
| 40 | 95 |
| 41 | 126 |
| 42 | 140 |
| 43 | 120 |
| 44 | 45 |
| 45 | 1 |
| 46 | 11 |
| 47 | 34 |
| 48 | 70 |
| 49 | 115 |
| 50 | 161 |
| 51 | 196 |
| 52 | 204 |
| 53 | 165 |
| 54 | 55 |
| 55 | 1 |
| 56 | 12 |
| 57 | 38 |
| 58 | 80 |
| 59 | 135 |
| 60 | 196 |
| 61 | 252 |
| 62 | 288 |
| 63 | 285 |
| 64 | 220 |
| 65 | 66 |
| 66 | 1 |
| 67 | 13 |
| 68 | 42 |
| 69 | 90 |
| 70 | 155 |
| 71 | 231 |
| 72 | 308 |
| 73 | 372 |
| 74 | 405 |
| 75 | 385 |
| 76 | 286 |
| 77 | 78 |
[1,1,3,1,4,6,1,5,10,10,1,6,14,20,15,1,7,18,30,35, 21,1,8,22,40,55,56,28,1,9,26,50,75,91,84,36,1,10, 30,60,95,126,140,120,45,1,11,34,70,115,161,196, 204,165,55,1,12,38,80,135,196,252,288,285,220,66, 1,13,42,90,155,231,308,372,405,385,286,78] |