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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 9 |
| 3 | 24 |
| 4 | 50 |
| 5 | 90 |
| 6 | 147 |
| 7 | 224 |
| 8 | 324 |
| 9 | 450 |
| 10 | 605 |
| 11 | 792 |
| 12 | 1014 |
| 13 | 1274 |
| 14 | 1575 |
| 15 | 1920 |
| 16 | 2312 |
| 17 | 2754 |
| 18 | 3249 |
| 19 | 3800 |
| 20 | 4410 |
| 21 | 5082 |
| 22 | 5819 |
| 23 | 6624 |
| 24 | 7500 |
| 25 | 8450 |
| 26 | 9477 |
| 27 | 10584 |
| 28 | 11774 |
| 29 | 13050 |
| 30 | 14415 |
| 31 | 15872 |
| 32 | 17424 |
| 33 | 19074 |
| 34 | 20825 |
| 35 | 22680 |
| 36 | 24642 |
| 37 | 26714 |
| 38 | 28899 |
| 39 | 31200 |
| 40 | 33620 |
| 41 | 36162 |
| 42 | 38829 |
| 43 | 41624 |
[0,2,9,24,50,90,147,224,324,450,605,792,1014,1274, 1575,1920,2312,2754,3249,3800,4410,5082,5819,6624, 7500,8450,9477,10584,11774,13050,14415,15872, 17424,19074,20825,22680,24642,26714,28899,31200, 33620,36162,38829,41624] |