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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 0 |
| 4 | 4 |
| 5 | 9 |
| 6 | 9 |
| 7 | 16 |
| 8 | 8 |
| 9 | 17 |
| 10 | 27 |
| 11 | 38 |
| 12 | 38 |
| 13 | 51 |
| 14 | 65 |
| 15 | 65 |
| 16 | 81 |
| 17 | 98 |
| 18 | 98 |
| 19 | 117 |
| 20 | 137 |
| 21 | 158 |
| 22 | 158 |
| 23 | 181 |
| 24 | 205 |
| 25 | 205 |
| 26 | 231 |
| 27 | 231 |
| 28 | 231 |
| 29 | 260 |
| 30 | 260 |
| 31 | 291 |
| 32 | 323 |
| 33 | 356 |
| 34 | 356 |
| 35 | 391 |
| 36 | 427 |
| 37 | 464 |
| 38 | 464 |
| 39 | 503 |
| 40 | 543 |
| 41 | 584 |
| 42 | 584 |
| 43 | 627 |
| 44 | 627 |
| 45 | 627 |
| 46 | 673 |
| 47 | 720 |
| 48 | 672 |
| 49 | 672 |
| 50 | 672 |
| 51 | 672 |
| 52 | 672 |
| 53 | 725 |
| 54 | 779 |
| 55 | 834 |
| 56 | 834 |
| 57 | 834 |
[0,1,3,0,4,9,9,16,8,17,27,38,38,51,65,65,81,98,98, 117,137,158,158,181,205,205,231,231,231,260,260, 291,323,356,356,391,427,464,464,503,543,584,584, 627,627,627,673,720,672,672,672,672,672,725,779, 834,834,834] |