| n | a(n) |
|---|---|
| 7 | 1 |
| 8 | 1 |
| 9 | 4 |
| 10 | 8 |
| 11 | 20 |
| 12 | 38 |
| 13 | 76 |
| 14 | 133 |
| 15 | 232 |
| 16 | 375 |
| 17 | 600 |
| 18 | 912 |
| 19 | 1368 |
| 20 | 1980 |
| 21 | 2829 |
| 22 | 3936 |
| 23 | 5412 |
| 24 | 7293 |
| 25 | 9724 |
| 26 | 12760 |
| 27 | 16588 |
| 28 | 21287 |
| 29 | 27092 |
| 30 | 34112 |
| 31 | 42640 |
| 32 | 52819 |
| 33 | 65008 |
| 34 | 79392 |
| 35 | 96405 |
| 36 | 116280 |
| 37 | 139536 |
| 38 | 166464 |
| 39 | 197676 |
| 40 | 233529 |
| 41 | 274740 |
| 42 | 321741 |
| 43 | 375364 |
[1,1,4,8,20,38,76,133,232,375,600,912,1368,1980, 2829,3936,5412,7293,9724,12760,16588,21287,27092, 34112,42640,52819,65008,79392,96405,116280,139536, 166464,197676,233529,274740,321741,375364] |