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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 1 |
| 11 | 1 |
| 12 | 2 |
| 13 | 2 |
| 14 | 4 |
| 15 | 4 |
| 16 | 6 |
| 17 | 7 |
| 18 | 10 |
| 19 | 11 |
| 20 | 14 |
| 21 | 15 |
| 22 | 19 |
| 23 | 20 |
| 24 | 24 |
| 25 | 25 |
| 26 | 31 |
| 27 | 30 |
| 28 | 35 |
| 29 | 36 |
| 30 | 42 |
| 31 | 42 |
| 32 | 48 |
| 33 | 47 |
| 34 | 54 |
| 35 | 54 |
| 36 | 59 |
| 37 | 60 |
| 38 | 69 |
| 39 | 66 |
| 40 | 73 |
| 41 | 72 |
| 42 | 80 |
| 43 | 79 |
| 44 | 86 |
| 45 | 85 |
| 46 | 92 |
| 47 | 91 |
| 48 | 97 |
| 49 | 96 |
| 50 | 107 |
| 51 | 103 |
| 52 | 110 |
| 53 | 110 |
| 54 | 118 |
| 55 | 117 |
| 56 | 123 |
| 57 | 123 |
| 58 | 132 |
| 59 | 130 |
| 60 | 135 |
| 61 | 134 |
| 62 | 142 |
| 63 | 141 |
| 64 | 146 |
| 65 | 145 |
[0,0,0,0,0,0,0,0,0,0,1,1,2,2,4,4,6,7,10,11,14,15, 19,20,24,25,31,30,35,36,42,42,48,47,54,54,59,60, 69,66,73,72,80,79,86,85,92,91,97,96,107,103,110, 110,118,117,123,123,132,130,135,134,142,141,146, 145] |