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