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| n | a(n) |
|---|---|
| 3 | 3 |
| 4 | 8 |
| 5 | 20 |
| 6 | 45 |
| 7 | 91 |
| 8 | 168 |
| 9 | 288 |
| 10 | 465 |
| 11 | 715 |
| 12 | 1056 |
| 13 | 1508 |
| 14 | 2093 |
| 15 | 2835 |
| 16 | 3760 |
| 17 | 4896 |
| 18 | 6273 |
| 19 | 7923 |
| 20 | 9880 |
| 21 | 12180 |
| 22 | 14861 |
| 23 | 17963 |
| 24 | 21528 |
| 25 | 25600 |
| 26 | 30225 |
| 27 | 35451 |
| 28 | 41328 |
| 29 | 47908 |
| 30 | 55245 |
| 31 | 63395 |
| 32 | 72416 |
| 33 | 82368 |
| 34 | 93313 |
| 35 | 105315 |
| 36 | 118440 |
| 37 | 132756 |
| 38 | 148333 |
| 39 | 165243 |
| 40 | 183560 |
[3,8,20,45,91,168,288,465,715,1056,1508,2093,2835, 3760,4896,6273,7923,9880,12180,14861,17963,21528, 25600,30225,35451,41328,47908,55245,63395,72416, 82368,93313,105315,118440,132756,148333,165243, 183560] |