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| n | a(n) |
|---|---|
| 7 | 0 |
| 8 | 7 |
| 9 | 35 |
| 10 | 119 |
| 11 | 329 |
| 12 | 791 |
| 13 | 1715 |
| 14 | 3431 |
| 15 | 6434 |
| 16 | 11439 |
| 17 | 19447 |
| 18 | 31823 |
| 19 | 50387 |
| 20 | 77519 |
| 21 | 116279 |
| 22 | 170543 |
| 23 | 245156 |
| 24 | 346103 |
| 25 | 480699 |
| 26 | 657799 |
| 27 | 888029 |
| 28 | 1184039 |
| 29 | 1560779 |
| 30 | 2035799 |
| 31 | 2629574 |
| 32 | 3365855 |
| 33 | 4272047 |
| 34 | 5379615 |
| 35 | 6724519 |
| 36 | 8347679 |
| 37 | 10295471 |
| 38 | 12620255 |
[0,7,35,119,329,791,1715,3431,6434,11439,19447, 31823,50387,77519,116279,170543,245156,346103, 480699,657799,888029,1184039,1560779,2035799, 2629574,3365855,4272047,5379615,6724519,8347679, 10295471,12620255] |