The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 5 |
| 14 | 3 |
| 15 | 1 |
| 16 | 1 |
| 17 | 4 |
| 18 | 9 |
| 19 | 9 |
| 20 | 4 |
| 21 | 1 |
| 22 | 1 |
| 23 | 5 |
| 24 | 17 |
| 25 | 24 |
| 26 | 17 |
| 27 | 5 |
| 28 | 1 |
| 29 | 1 |
| 30 | 7 |
| 31 | 29 |
| 32 | 60 |
| 33 | 60 |
| 34 | 29 |
| 35 | 7 |
| 36 | 1 |
| 37 | 1 |
| 38 | 8 |
| 39 | 47 |
| 40 | 133 |
| 41 | 192 |
| 42 | 133 |
| 43 | 47 |
| 44 | 8 |
| 45 | 1 |
| 46 | 1 |
| 47 | 10 |
| 48 | 72 |
| 49 | 279 |
| 50 | 556 |
| 51 | 556 |
| 52 | 279 |
| 53 | 72 |
| 54 | 10 |
| 55 | 1 |
| 56 | 1 |
| 57 | 12 |
| 58 | 110 |
| 59 | 556 |
| 60 | 1514 |
| 61 | 2108 |
| 62 | 1514 |
| 63 | 556 |
| 64 | 110 |
| 65 | 12 |
| 66 | 1 |
[1,1,1,1,1,1,1,1,2,2,1,1,3,5,3,1,1,4,9,9,4,1,1,5, 17,24,17,5,1,1,7,29,60,60,29,7,1,1,8,47,133,192, 133,47,8,1,1,10,72,279,556,556,279,72,10,1,1,12, 110,556,1514,2108,1514,556,110,12,1] |