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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 2 |
| 22 | 2 |
| 23 | 2 |
| 24 | 3 |
| 25 | 7 |
| 26 | 6 |
| 27 | 8 |
| 28 | 7 |
| 29 | 11 |
| 30 | 9 |
| 31 | 18 |
| 32 | 17 |
| 33 | 20 |
| 34 | 25 |
| 35 | 25 |
| 36 | 32 |
| 37 | 36 |
| 38 | 38 |
| 39 | 40 |
| 40 | 42 |
| 41 | 49 |
| 42 | 59 |
| 43 | 62 |
| 44 | 69 |
| 45 | 68 |
| 46 | 75 |
| 47 | 91 |
| 48 | 105 |
| 49 | 104 |
| 50 | 114 |
| 51 | 112 |
| 52 | 120 |
| 53 | 134 |
| 54 | 141 |
| 55 | 149 |
| 56 | 160 |
| 57 | 172 |
| 58 | 183 |
| 59 | 193 |
| 60 | 195 |
| 61 | 203 |
| 62 | 218 |
| 63 | 255 |
| 64 | 257 |
| 65 | 271 |
| 66 | 268 |
| 67 | 317 |
| 68 | 333 |
| 69 | 342 |
| 70 | 368 |
| 71 | 358 |
| 72 | 379 |
| 73 | 413 |
| 74 | 432 |
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,2,2,2,3, 7,6,8,7,11,9,18,17,20,25,25,32,36,38,40,42,49,59, 62,69,68,75,91,105,104,114,112,120,134,141,149, 160,172,183,193,195,203,218,255,257,271,268,317, 333,342,368,358,379,413,432] |