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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 7 |
| 7 | 8 |
| 8 | 15 |
| 9 | 18 |
| 10 | 30 |
| 11 | 37 |
| 12 | 58 |
| 13 | 71 |
| 14 | 105 |
| 15 | 131 |
| 16 | 186 |
| 17 | 230 |
| 18 | 318 |
| 19 | 393 |
| 20 | 530 |
| 21 | 653 |
| 22 | 863 |
| 23 | 1060 |
| 24 | 1380 |
| 25 | 1686 |
| 26 | 2164 |
| 27 | 2637 |
| 28 | 3345 |
| 29 | 4057 |
| 30 | 5096 |
| 31 | 6158 |
| 32 | 7665 |
| 33 | 9228 |
| 34 | 11395 |
| 35 | 13671 |
| 36 | 16765 |
| 37 | 20040 |
| 38 | 24418 |
| 39 | 29098 |
| 40 | 35251 |
| 41 | 41869 |
| 42 | 50460 |
| 43 | 59755 |
| 44 | 71669 |
| 45 | 84626 |
| 46 | 101050 |
[1,0,1,1,3,3,7,8,15,18,30,37,58,71,105,131,186, 230,318,393,530,653,863,1060,1380,1686,2164,2637, 3345,4057,5096,6158,7665,9228,11395,13671,16765, 20040,24418,29098,35251,41869,50460,59755,71669, 84626,101050] |