The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 1 |
| 3 | 11 |
| 4 | 6 |
| 5 | 1 |
| 6 | 42 |
| 7 | 30 |
| 8 | 9 |
| 9 | 1 |
| 10 | 163 |
| 11 | 140 |
| 12 | 58 |
| 13 | 12 |
| 14 | 1 |
| 15 | 638 |
| 16 | 630 |
| 17 | 325 |
| 18 | 95 |
| 19 | 15 |
| 20 | 1 |
| 21 | 2510 |
| 22 | 2772 |
| 23 | 1686 |
| 24 | 624 |
| 25 | 141 |
| 26 | 18 |
| 27 | 1 |
| 28 | 9908 |
| 29 | 12012 |
| 30 | 8330 |
| 31 | 3682 |
| 32 | 1064 |
| 33 | 196 |
| 34 | 21 |
| 35 | 1 |
| 36 | 39203 |
| 37 | 51480 |
| 38 | 39796 |
| 39 | 20264 |
| 40 | 7050 |
| 41 | 1672 |
| 42 | 260 |
| 43 | 24 |
| 44 | 1 |
| 45 | 155382 |
| 46 | 218790 |
| 47 | 185517 |
| 48 | 106203 |
| 49 | 42849 |
| 50 | 12303 |
| 51 | 2475 |
| 52 | 333 |
| 53 | 27 |
| 54 | 1 |
[1,3,1,11,6,1,42,30,9,1,163,140,58,12,1,638,630, 325,95,15,1,2510,2772,1686,624,141,18,1,9908, 12012,8330,3682,1064,196,21,1,39203,51480,39796, 20264,7050,1672,260,24,1,155382,218790,185517, 106203,42849,12303,2475,333,27,1] |