The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 1 |
| 3 | 3 |
| 4 | 9 |
| 5 | 1 |
| 6 | 3 |
| 7 | 45 |
| 8 | 19 |
| 9 | 1 |
| 10 | 3 |
| 11 | 173 |
| 12 | 211 |
| 13 | 33 |
| 14 | 1 |
| 15 | 3 |
| 16 | 573 |
| 17 | 1811 |
| 18 | 633 |
| 19 | 51 |
| 20 | 1 |
| 21 | 3 |
| 22 | 1725 |
| 23 | 13331 |
| 24 | 9273 |
| 25 | 1491 |
| 26 | 73 |
| 27 | 1 |
| 28 | 3 |
| 29 | 4861 |
| 30 | 88595 |
| 31 | 115113 |
| 32 | 32851 |
| 33 | 3013 |
| 34 | 99 |
| 35 | 1 |
| 36 | 3 |
| 37 | 13053 |
| 38 | 547347 |
| 39 | 1276329 |
| 40 | 606291 |
| 41 | 92613 |
| 42 | 5475 |
| 43 | 129 |
| 44 | 1 |
| 45 | 3 |
| 46 | 33789 |
| 47 | 3201555 |
| 48 | 13033641 |
| 49 | 9896019 |
| 50 | 2360613 |
| 51 | 223203 |
| 52 | 9201 |
| 53 | 163 |
| 54 | 1 |
| 55 | 3 |
| 56 | 84989 |
| 57 | 17947155 |
| 58 | 125008041 |
| 59 | 147521619 |
| 60 | 52760613 |
| 61 | 7480803 |
| 62 | 479601 |
| 63 | 14563 |
| 64 | 201 |
| 65 | 1 |
[1,3,1,3,9,1,3,45,19,1,3,173,211,33,1,3,573,1811, 633,51,1,3,1725,13331,9273,1491,73,1,3,4861,88595, 115113,32851,3013,99,1,3,13053,547347,1276329, 606291,92613,5475,129,1,3,33789,3201555,13033641, 9896019,2360613,223203,9201,163,1,3,84989, 17947155,125008041,147521619,52760613,7480803, 479601,14563,201,1] |