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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 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 2 |
| 17 | 2 |
| 18 | 2 |
| 19 | 4 |
| 20 | 4 |
| 21 | 7 |
| 22 | 9 |
| 23 | 10 |
| 24 | 12 |
| 25 | 15 |
| 26 | 17 |
| 27 | 20 |
| 28 | 24 |
| 29 | 24 |
| 30 | 30 |
| 31 | 39 |
| 32 | 43 |
| 33 | 47 |
| 34 | 60 |
| 35 | 58 |
| 36 | 75 |
| 37 | 81 |
| 38 | 94 |
| 39 | 97 |
| 40 | 124 |
| 41 | 116 |
| 42 | 152 |
| 43 | 146 |
| 44 | 180 |
| 45 | 172 |
| 46 | 229 |
| 47 | 207 |
| 48 | 278 |
| 49 | 246 |
| 50 | 320 |
| 51 | 298 |
| 52 | 400 |
| 53 | 332 |
| 54 | 464 |
| 55 | 395 |
| 56 | 539 |
| 57 | 463 |
| 58 | 643 |
| 59 | 521 |
| 60 | 749 |
| 61 | 612 |
| 62 | 855 |
| 63 | 720 |
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2,2,4,4,7,9,10, 12,15,17,20,24,24,30,39,43,47,60,58,75,81,94,97, 124,116,152,146,180,172,229,207,278,246,320,298, 400,332,464,395,539,463,643,521,749,612,855,720] |