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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 2 |
| 14 | 2 |
| 15 | 5 |
| 16 | 3 |
| 17 | 3 |
| 18 | 6 |
| 19 | 5 |
| 20 | 6 |
| 21 | 8 |
| 22 | 6 |
| 23 | 7 |
| 24 | 11 |
| 25 | 10 |
| 26 | 9 |
| 27 | 14 |
| 28 | 13 |
| 29 | 13 |
| 30 | 19 |
| 31 | 16 |
| 32 | 18 |
| 33 | 25 |
| 34 | 22 |
| 35 | 25 |
| 36 | 32 |
| 37 | 29 |
| 38 | 31 |
| 39 | 42 |
| 40 | 41 |
| 41 | 41 |
| 42 | 53 |
| 43 | 51 |
| 44 | 54 |
| 45 | 69 |
| 46 | 64 |
| 47 | 69 |
| 48 | 88 |
| 49 | 83 |
| 50 | 89 |
| 51 | 109 |
| 52 | 105 |
| 53 | 112 |
| 54 | 136 |
| 55 | 134 |
| 56 | 141 |
| 57 | 170 |
| 58 | 166 |
| 59 | 177 |
| 60 | 215 |
| 61 | 207 |
| 62 | 219 |
| 63 | 262 |
| 64 | 260 |
| 65 | 276 |
| 66 | 320 |
| 67 | 320 |
| 68 | 341 |
| 69 | 397 |
| 70 | 397 |
| 71 | 417 |
| 72 | 485 |
[0,0,1,1,1,1,1,1,2,1,1,3,2,2,5,3,3,6,5,6,8,6,7,11, 10,9,14,13,13,19,16,18,25,22,25,32,29,31,42,41,41, 53,51,54,69,64,69,88,83,89,109,105,112,136,134, 141,170,166,177,215,207,219,262,260,276,320,320, 341,397,397,417,485] |