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 | 8 |
| 5 | 1 |
| 6 | 1 |
| 7 | 21 |
| 8 | 21 |
| 9 | 1 |
| 10 | 1 |
| 11 | 46 |
| 12 | 142 |
| 13 | 46 |
| 14 | 1 |
| 15 | 1 |
| 16 | 95 |
| 17 | 644 |
| 18 | 644 |
| 19 | 95 |
| 20 | 1 |
| 21 | 1 |
| 22 | 192 |
| 23 | 2439 |
| 24 | 5416 |
| 25 | 2439 |
| 26 | 192 |
| 27 | 1 |
| 28 | 1 |
| 29 | 385 |
| 30 | 8415 |
| 31 | 34879 |
| 32 | 34879 |
| 33 | 8415 |
| 34 | 385 |
| 35 | 1 |
| 36 | 1 |
| 37 | 770 |
| 38 | 27556 |
| 39 | 192286 |
| 40 | 358454 |
| 41 | 192286 |
| 42 | 27556 |
| 43 | 770 |
| 44 | 1 |
| 45 | 1 |
| 46 | 1539 |
| 47 | 87486 |
| 48 | 962090 |
| 49 | 3001044 |
| 50 | 3001044 |
| 51 | 962090 |
| 52 | 87486 |
[1,1,1,1,8,1,1,21,21,1,1,46,142,46,1,1,95,644,644, 95,1,1,192,2439,5416,2439,192,1,1,385,8415,34879, 34879,8415,385,1,1,770,27556,192286,358454,192286, 27556,770,1,1,1539,87486,962090,3001044,3001044, 962090,87486] |