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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 0 |
| 8 | 2 |
| 9 | 1 |
| 10 | 3 |
| 11 | 0 |
| 12 | 5 |
| 13 | 2 |
| 14 | 6 |
| 15 | 3 |
| 16 | 9 |
| 17 | 3 |
| 18 | 14 |
| 19 | 7 |
| 20 | 16 |
| 21 | 10 |
| 22 | 23 |
| 23 | 12 |
| 24 | 32 |
| 25 | 20 |
| 26 | 37 |
| 27 | 28 |
| 28 | 52 |
| 29 | 35 |
| 30 | 69 |
| 31 | 49 |
| 32 | 80 |
| 33 | 68 |
| 34 | 110 |
| 35 | 83 |
| 36 | 137 |
| 37 | 112 |
| 38 | 166 |
| 39 | 150 |
| 40 | 215 |
| 41 | 178 |
| 42 | 268 |
| 43 | 239 |
| 44 | 324 |
| 45 | 303 |
| 46 | 406 |
| 47 | 365 |
| 48 | 504 |
| 49 | 472 |
| 50 | 604 |
| 51 | 584 |
| 52 | 747 |
| 53 | 708 |
| 54 | 917 |
| 55 | 888 |
| 56 | 1089 |
| 57 | 1085 |
| 58 | 1337 |
| 59 | 1311 |
| 60 | 1618 |
| 61 | 1606 |
| 62 | 1916 |
| 63 | 1954 |
| 64 | 2332 |
| 65 | 2334 |
| 66 | 2782 |
| 67 | 2829 |
| 68 | 3300 |
| 69 | 3407 |
| 70 | 3963 |
[0,0,0,0,1,0,1,0,2,1,3,0,5,2,6,3,9,3,14,7,16,10, 23,12,32,20,37,28,52,35,69,49,80,68,110,83,137, 112,166,150,215,178,268,239,324,303,406,365,504, 472,604,584,747,708,917,888,1089,1085,1337,1311, 1618,1606,1916,1954,2332,2334,2782,2829,3300,3407, 3963] |