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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 2 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 2 |
| 14 | 3 |
| 15 | 3 |
| 16 | 7 |
| 17 | 6 |
| 18 | 8 |
| 19 | 9 |
| 20 | 13 |
| 21 | 13 |
| 22 | 17 |
| 23 | 19 |
| 24 | 28 |
| 25 | 30 |
| 26 | 38 |
| 27 | 43 |
| 28 | 56 |
| 29 | 62 |
| 30 | 76 |
| 31 | 87 |
| 32 | 110 |
| 33 | 124 |
| 34 | 151 |
| 35 | 173 |
| 36 | 211 |
| 37 | 241 |
| 38 | 289 |
| 39 | 332 |
| 40 | 399 |
| 41 | 456 |
| 42 | 539 |
| 43 | 620 |
| 44 | 733 |
| 45 | 838 |
| 46 | 983 |
| 47 | 1127 |
| 48 | 1322 |
| 49 | 1513 |
| 50 | 1761 |
| 51 | 2016 |
| 52 | 2343 |
| 53 | 2677 |
| 54 | 3096 |
| 55 | 3536 |
| 56 | 4083 |
| 57 | 4655 |
| 58 | 5355 |
| 59 | 6101 |
| 60 | 7005 |
| 61 | 7969 |
| 62 | 9124 |
| 63 | 10370 |
| 64 | 11856 |
| 65 | 13453 |
| 66 | 15340 |
[0,0,0,1,0,0,0,2,1,1,1,3,2,3,3,7,6,8,9,13,13,17, 19,28,30,38,43,56,62,76,87,110,124,151,173,211, 241,289,332,399,456,539,620,733,838,983,1127,1322, 1513,1761,2016,2343,2677,3096,3536,4083,4655,5355, 6101,7005,7969,9124,10370,11856,13453,15340] |