The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 1 |
| 6 | 9 |
| 7 | 4 |
| 8 | 1 |
| 9 | 1 |
| 10 | 76 |
| 11 | 30 |
| 12 | 6 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1015 |
| 16 | 350 |
| 17 | 63 |
| 18 | 8 |
| 19 | 1 |
| 20 | 1 |
| 21 | 18996 |
| 22 | 5740 |
| 23 | 952 |
| 24 | 108 |
| 25 | 10 |
| 26 | 1 |
| 27 | 1 |
| 28 | 461160 |
| 29 | 123536 |
| 30 | 19026 |
| 31 | 2010 |
| 32 | 165 |
| 33 | 12 |
| 34 | 1 |
| 35 | 1 |
| 36 | 13810056 |
| 37 | 3321624 |
| 38 | 477612 |
| 39 | 47685 |
| 40 | 3652 |
| 41 | 234 |
| 42 | 14 |
| 43 | 1 |
| 44 | 1 |
| 45 | 492785919 |
| 46 | 107639880 |
| 47 | 14523179 |
| 48 | 1379928 |
| 49 | 100529 |
| 50 | 6006 |
[1,1,1,2,1,1,9,4,1,1,76,30,6,1,1,1015,350,63,8,1, 1,18996,5740,952,108,10,1,1,461160,123536,19026, 2010,165,12,1,1,13810056,3321624,477612,47685, 3652,234,14,1,1,492785919,107639880,14523179, 1379928,100529,6006] |