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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 4 |
| 7 | 3 |
| 8 | 7 |
| 9 | 8 |
| 10 | 11 |
| 11 | 15 |
| 12 | 22 |
| 13 | 24 |
| 14 | 37 |
| 15 | 45 |
| 16 | 58 |
| 17 | 75 |
| 18 | 99 |
| 19 | 115 |
| 20 | 156 |
| 21 | 187 |
| 22 | 232 |
| 23 | 288 |
| 24 | 356 |
| 25 | 420 |
| 26 | 527 |
| 27 | 623 |
| 28 | 750 |
| 29 | 898 |
| 30 | 1075 |
| 31 | 1252 |
| 32 | 1505 |
| 33 | 1750 |
| 34 | 2051 |
| 35 | 2400 |
| 36 | 2797 |
| 37 | 3214 |
| 38 | 3754 |
| 39 | 4294 |
| 40 | 4939 |
| 41 | 5665 |
| 42 | 6477 |
| 43 | 7344 |
| 44 | 8398 |
| 45 | 9481 |
| 46 | 10731 |
| 47 | 12121 |
| 48 | 13653 |
[1,0,1,1,1,2,4,3,7,8,11,15,22,24,37,45,58,75,99, 115,156,187,232,288,356,420,527,623,750,898,1075, 1252,1505,1750,2051,2400,2797,3214,3754,4294,4939, 5665,6477,7344,8398,9481,10731,12121,13653] |