The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 5 |
| 6 | 1 |
| 7 | 7 |
| 8 | 4 |
| 9 | 1 |
| 10 | 5 |
| 11 | 11 |
| 12 | 2 |
| 13 | 13 |
| 14 | 7 |
| 15 | 5 |
| 16 | 8 |
| 17 | 17 |
| 18 | 1 |
| 19 | 19 |
| 20 | 10 |
| 21 | 7 |
| 22 | 11 |
| 23 | 23 |
| 24 | 4 |
| 25 | 25 |
| 26 | 13 |
| 27 | 3 |
| 28 | 14 |
| 29 | 29 |
| 30 | 5 |
| 31 | 31 |
| 32 | 16 |
| 33 | 11 |
| 34 | 17 |
| 35 | 35 |
| 36 | 2 |
| 37 | 37 |
| 38 | 19 |
| 39 | 13 |
| 40 | 20 |
| 41 | 41 |
| 42 | 7 |
| 43 | 43 |
| 44 | 22 |
| 45 | 5 |
| 46 | 23 |
| 47 | 47 |
| 48 | 8 |
| 49 | 49 |
| 50 | 25 |
| 51 | 17 |
| 52 | 26 |
| 53 | 53 |
| 54 | 3 |
| 55 | 55 |
| 56 | 28 |
| 57 | 19 |
| 58 | 29 |
| 59 | 59 |
| 60 | 10 |
| 61 | 61 |
| 62 | 31 |
| 63 | 7 |
| 64 | 32 |
| 65 | 65 |
| 66 | 11 |
| 67 | 67 |
| 68 | 34 |
| 69 | 23 |
| 70 | 35 |
| 71 | 71 |
| 72 | 4 |
| 73 | 73 |
| 74 | 37 |
| 75 | 25 |
| 76 | 38 |
| 77 | 77 |
| 78 | 13 |
| 79 | 79 |
[0,1,1,1,2,5,1,7,4,1,5,11,2,13,7,5,8,17,1,19,10,7, 11,23,4,25,13,3,14,29,5,31,16,11,17,35,2,37,19,13, 20,41,7,43,22,5,23,47,8,49,25,17,26,53,3,55,28,19, 29,59,10,61,31,7,32,65,11,67,34,23,35,71,4,73,37, 25,38,77,13,79] |