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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 8 |
| 9 | 9 |
| 10 | 20 |
| 11 | 29 |
| 12 | 56 |
| 13 | 83 |
| 14 | 138 |
| 15 | 193 |
| 16 | 299 |
| 17 | 408 |
| 18 | 594 |
| 19 | 789 |
| 20 | 1115 |
| 21 | 1462 |
| 22 | 1977 |
| 23 | 2551 |
| 24 | 3382 |
| 25 | 4279 |
| 26 | 5550 |
| 27 | 6948 |
| 28 | 8856 |
| 29 | 10970 |
| 30 | 13742 |
| 31 | 16841 |
| 32 | 20832 |
| 33 | 25303 |
| 34 | 30892 |
| 35 | 37180 |
| 36 | 44972 |
| 37 | 53652 |
| 38 | 64276 |
| 39 | 76108 |
| 40 | 90424 |
| 41 | 106352 |
| 42 | 125353 |
| 43 | 146501 |
| 44 | 171544 |
| 45 | 199318 |
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