| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 2 |
| 6 | 3 |
| 7 | 3 |
| 8 | 3 |
| 9 | 4 |
| 10 | 5 |
| 11 | 5 |
| 12 | 7 |
| 13 | 8 |
| 14 | 8 |
| 15 | 10 |
| 16 | 11 |
| 17 | 11 |
| 18 | 13 |
| 19 | 14 |
| 20 | 15 |
| 21 | 17 |
| 22 | 19 |
| 23 | 20 |
| 24 | 23 |
| 25 | 25 |
| 26 | 26 |
| 27 | 29 |
| 28 | 31 |
| 29 | 32 |
| 30 | 36 |
| 31 | 38 |
| 32 | 40 |
| 33 | 44 |
| 34 | 47 |
| 35 | 49 |
| 36 | 54 |
| 37 | 57 |
| 38 | 59 |
| 39 | 64 |
| 40 | 68 |
| 41 | 70 |
| 42 | 76 |
| 43 | 80 |
| 44 | 83 |
| 45 | 89 |
| 46 | 94 |
| 47 | 97 |
| 48 | 104 |
| 49 | 109 |
| 50 | 113 |
| 51 | 120 |
| 52 | 126 |
| 53 | 130 |
| 54 | 138 |
| 55 | 144 |
| 56 | 149 |
[1,1,1,2,2,2,3,3,3,4,5,5,7,8,8,10,11,11,13,14,15, 17,19,20,23,25,26,29,31,32,36,38,40,44,47,49,54, 57,59,64,68,70,76,80,83,89,94,97,104,109,113,120, 126,130,138,144,149] |