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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 4 |
| 8 | 4 |
| 9 | 4 |
| 10 | 7 |
| 11 | 7 |
| 12 | 7 |
| 13 | 12 |
| 14 | 12 |
| 15 | 12 |
| 16 | 19 |
| 17 | 19 |
| 18 | 19 |
| 19 | 30 |
| 20 | 30 |
| 21 | 30 |
| 22 | 45 |
| 23 | 45 |
| 24 | 45 |
| 25 | 67 |
| 26 | 67 |
| 27 | 67 |
| 28 | 97 |
| 29 | 97 |
| 30 | 97 |
| 31 | 139 |
| 32 | 139 |
| 33 | 139 |
| 34 | 195 |
| 35 | 195 |
| 36 | 195 |
| 37 | 272 |
| 38 | 272 |
| 39 | 272 |
| 40 | 373 |
| 41 | 373 |
| 42 | 373 |
| 43 | 508 |
| 44 | 508 |
| 45 | 508 |
| 46 | 684 |
| 47 | 684 |
| 48 | 684 |
| 49 | 915 |
| 50 | 915 |
| 51 | 915 |
| 52 | 1212 |
| 53 | 1212 |
| 54 | 1212 |
| 55 | 1597 |
| 56 | 1597 |
| 57 | 1597 |
| 58 | 2087 |
[0,1,1,1,2,2,2,4,4,4,7,7,7,12,12,12,19,19,19,30, 30,30,45,45,45,67,67,67,97,97,97,139,139,139,195, 195,195,272,272,272,373,373,373,508,508,508,684, 684,684,915,915,915,1212,1212,1212,1597,1597,1597, 2087] |