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 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 5 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 5 |
| 18 | 16 |
| 19 | 15 |
| 20 | 1 |
| 21 | 1 |
| 22 | 1 |
| 23 | 9 |
| 24 | 64 |
| 25 | 131 |
| 26 | 52 |
| 27 | 1 |
| 28 | 1 |
| 29 | 1 |
| 30 | 17 |
| 31 | 298 |
| 32 | 1613 |
| 33 | 1496 |
| 34 | 203 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1 |
| 38 | 33 |
| 39 | 1540 |
| 40 | 25097 |
| 41 | 69026 |
| 42 | 22482 |
| 43 | 877 |
| 44 | 1 |
| 45 | 1 |
| 46 | 1 |
| 47 | 65 |
| 48 | 8506 |
| 49 | 461105 |
| 50 | 4383626 |
| 51 | 4566992 |
| 52 | 426833 |
| 53 | 4140 |
| 54 | 1 |
| 55 | 1 |
| 56 | 1 |
| 57 | 129 |
| 58 | 48844 |
| 59 | 9483041 |
| 60 | 350813126 |
| 61 | 1394519922 |
| 62 | 437665649 |
| 63 | 9934563 |
| 64 | 21147 |
| 65 | 1 |
[1,1,1,1,1,1,1,1,2,1,1,1,3,5,1,1,1,5,16,15,1,1,1, 9,64,131,52,1,1,1,17,298,1613,1496,203,1,1,1,33, 1540,25097,69026,22482,877,1,1,1,65,8506,461105, 4383626,4566992,426833,4140,1,1,1,129,48844, 9483041,350813126,1394519922,437665649,9934563, 21147,1] |