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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 52 |
| 3 | 125 |
| 4 | 246 |
| 5 | 427 |
| 6 | 680 |
| 7 | 1017 |
| 8 | 1450 |
| 9 | 1991 |
| 10 | 2652 |
| 11 | 3445 |
| 12 | 4382 |
| 13 | 5475 |
| 14 | 6736 |
| 15 | 8177 |
| 16 | 9810 |
| 17 | 11647 |
| 18 | 13700 |
| 19 | 15981 |
| 20 | 18502 |
| 21 | 21275 |
| 22 | 24312 |
| 23 | 27625 |
| 24 | 31226 |
| 25 | 35127 |
| 26 | 39340 |
| 27 | 43877 |
| 28 | 48750 |
| 29 | 53971 |
| 30 | 59552 |
| 31 | 65505 |
| 32 | 71842 |
| 33 | 78575 |
| 34 | 85716 |
| 35 | 93277 |
| 36 | 101270 |
| 37 | 109707 |
| 38 | 118600 |
[15,52,125,246,427,680,1017,1450,1991,2652,3445, 4382,5475,6736,8177,9810,11647,13700,15981,18502, 21275,24312,27625,31226,35127,39340,43877,48750, 53971,59552,65505,71842,78575,85716,93277,101270, 109707,118600] |