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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 6 |
| 7 | 10 |
| 8 | 19 |
| 9 | 27 |
| 10 | 43 |
| 11 | 58 |
| 12 | 85 |
| 13 | 105 |
| 14 | 143 |
| 15 | 175 |
| 16 | 226 |
| 17 | 266 |
| 18 | 334 |
| 19 | 386 |
| 20 | 475 |
| 21 | 534 |
| 22 | 641 |
| 23 | 717 |
| 24 | 854 |
| 25 | 933 |
| 26 | 1092 |
| 27 | 1187 |
| 28 | 1385 |
| 29 | 1482 |
| 30 | 1713 |
| 31 | 1820 |
| 32 | 2091 |
| 33 | 2203 |
| 34 | 2511 |
| 35 | 2637 |
| 36 | 2998 |
| 37 | 3110 |
| 38 | 3516 |
| 39 | 3647 |
| 40 | 4118 |
| 41 | 4226 |
| 42 | 4761 |
| 43 | 4865 |
| 44 | 5461 |
| 45 | 5576 |
| 46 | 6221 |
| 47 | 6319 |
| 48 | 7088 |
| 49 | 7138 |
| 50 | 7953 |
[0,0,0,1,2,6,10,19,27,43,58,85,105,143,175,226, 266,334,386,475,534,641,717,854,933,1092,1187, 1385,1482,1713,1820,2091,2203,2511,2637,2998,3110, 3516,3647,4118,4226,4761,4865,5461,5576,6221,6319, 7088,7138,7953] |