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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 3 |
| 3 | 4 |
| 4 | 3 |
| 5 | 5 |
| 6 | 5 |
| 7 | 8 |
| 8 | 10 |
| 9 | 7 |
| 10 | 7 |
| 11 | 12 |
| 12 | 21 |
| 13 | 9 |
| 14 | 9 |
| 15 | 16 |
| 16 | 36 |
| 17 | 11 |
| 18 | 11 |
| 19 | 20 |
| 20 | 55 |
| 21 | 13 |
| 22 | 13 |
| 23 | 24 |
| 24 | 78 |
| 25 | 15 |
| 26 | 15 |
| 27 | 28 |
| 28 | 105 |
| 29 | 17 |
| 30 | 17 |
| 31 | 32 |
| 32 | 136 |
| 33 | 19 |
| 34 | 19 |
| 35 | 36 |
| 36 | 171 |
| 37 | 21 |
| 38 | 21 |
| 39 | 40 |
| 40 | 210 |
| 41 | 23 |
| 42 | 23 |
| 43 | 44 |
| 44 | 253 |
| 45 | 25 |
| 46 | 25 |
| 47 | 48 |
| 48 | 300 |
| 49 | 27 |
| 50 | 27 |
| 51 | 52 |
| 52 | 351 |
| 53 | 29 |
| 54 | 29 |
| 55 | 56 |
| 56 | 406 |
| 57 | 31 |
| 58 | 31 |
| 59 | 60 |
| 60 | 465 |
| 61 | 33 |
| 62 | 33 |
| 63 | 64 |
| 64 | 528 |
| 65 | 35 |
| 66 | 35 |
| 67 | 68 |
| 68 | 595 |
| 69 | 37 |
| 70 | 37 |
[3,3,4,3,5,5,8,10,7,7,12,21,9,9,16,36,11,11,20,55, 13,13,24,78,15,15,28,105,17,17,32,136,19,19,36, 171,21,21,40,210,23,23,44,253,25,25,48,300,27,27, 52,351,29,29,56,406,31,31,60,465,33,33,64,528,35, 35,68,595,37,37] |