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| n | a(n) |
|---|---|
| 7 | 1 |
| 8 | 7 |
| 9 | 28 |
| 10 | 77 |
| 11 | 168 |
| 12 | 308 |
| 13 | 504 |
| 14 | 750 |
| 15 | 1050 |
| 16 | 1400 |
| 17 | 1813 |
| 18 | 2261 |
| 19 | 2737 |
| 20 | 3227 |
| 21 | 3753 |
| 22 | 4312 |
| 23 | 4921 |
| 24 | 5579 |
| 25 | 6230 |
| 26 | 6832 |
| 27 | 7413 |
| 28 | 8008 |
| 29 | 8652 |
| 30 | 9289 |
| 31 | 9996 |
| 32 | 10654 |
| 33 | 11361 |
| 34 | 12061 |
| 35 | 12853 |
| 36 | 13657 |
| 37 | 14357 |
| 38 | 14924 |
| 39 | 15393 |
| 40 | 15869 |
| 41 | 16408 |
| 42 | 16933 |
| 43 | 17689 |
| 44 | 18319 |
| 45 | 18949 |
| 46 | 19537 |
| 47 | 20244 |
| 48 | 21049 |
| 49 | 21728 |
[1,7,28,77,168,308,504,750,1050,1400,1813,2261, 2737,3227,3753,4312,4921,5579,6230,6832,7413,8008, 8652,9289,9996,10654,11361,12061,12853,13657, 14357,14924,15393,15869,16408,16933,17689,18319, 18949,19537,20244,21049,21728] |