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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 3 |
| 5 | 5 |
| 6 | 10 |
| 7 | 14 |
| 8 | 22 |
| 9 | 29 |
| 10 | 39 |
| 11 | 50 |
| 12 | 60 |
| 13 | 76 |
| 14 | 91 |
| 15 | 105 |
| 16 | 126 |
| 17 | 146 |
| 18 | 165 |
| 19 | 189 |
| 20 | 215 |
| 21 | 240 |
| 22 | 264 |
| 23 | 297 |
| 24 | 329 |
| 25 | 360 |
| 26 | 390 |
| 27 | 430 |
| 28 | 469 |
| 29 | 507 |
| 30 | 544 |
| 31 | 588 |
| 32 | 635 |
| 33 | 681 |
| 34 | 726 |
| 35 | 770 |
| 36 | 826 |
| 37 | 881 |
| 38 | 935 |
[0,0,1,3,5,10,14,22,29,39,50,60,76,91,105,126,146, 165,189,215,240,264,297,329,360,390,430,469,507, 544,588,635,681,726,770,826,881,935] |