The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 1 |
| 5 | 3 |
| 6 | 5 |
| 7 | 7 |
| 8 | 5 |
| 9 | 7 |
| 10 | 5 |
| 11 | 7 |
| 12 | 5 |
| 13 | 7 |
| 14 | 9 |
| 15 | 11 |
| 16 | 9 |
| 17 | 11 |
| 18 | 13 |
| 19 | 15 |
| 20 | 13 |
| 21 | 15 |
| 22 | 17 |
| 23 | 19 |
| 24 | 17 |
| 25 | 19 |
| 26 | 17 |
| 27 | 19 |
| 28 | 17 |
| 29 | 19 |
| 30 | 21 |
| 31 | 23 |
| 32 | 21 |
| 33 | 23 |
| 34 | 21 |
| 35 | 23 |
| 36 | 21 |
| 37 | 23 |
| 38 | 25 |
| 39 | 27 |
| 40 | 25 |
| 41 | 27 |
| 42 | 25 |
| 43 | 27 |
| 44 | 25 |
| 45 | 27 |
| 46 | 29 |
| 47 | 31 |
| 48 | 29 |
| 49 | 31 |
| 50 | 33 |
| 51 | 35 |
| 52 | 33 |
| 53 | 35 |
| 54 | 37 |
| 55 | 39 |
| 56 | 37 |
| 57 | 39 |
| 58 | 37 |
| 59 | 39 |
| 60 | 37 |
| 61 | 39 |
| 62 | 41 |
| 63 | 43 |
| 64 | 41 |
| 65 | 43 |
| 66 | 45 |
| 67 | 47 |
| 68 | 45 |
| 69 | 47 |
| 70 | 49 |
| 71 | 51 |
| 72 | 49 |
| 73 | 51 |
| 74 | 49 |
| 75 | 51 |
| 76 | 49 |
| 77 | 51 |
| 78 | 53 |
| 79 | 55 |
| 80 | 53 |
| 81 | 55 |
| 82 | 57 |
[1,1,3,1,3,5,7,5,7,5,7,5,7,9,11,9,11,13,15,13,15, 17,19,17,19,17,19,17,19,21,23,21,23,21,23,21,23, 25,27,25,27,25,27,25,27,29,31,29,31,33,35,33,35, 37,39,37,39,37,39,37,39,41,43,41,43,45,47,45,47, 49,51,49,51,49,51,49,51,53,55,53,55,57] |