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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 3 |
| 2 | 16 |
| 3 | 50 |
| 4 | 120 |
| 5 | 245 |
| 6 | 448 |
| 7 | 756 |
| 8 | 1200 |
| 9 | 1815 |
| 10 | 2640 |
| 11 | 3718 |
| 12 | 5096 |
| 13 | 6825 |
| 14 | 8960 |
| 15 | 11560 |
| 16 | 14688 |
| 17 | 18411 |
| 18 | 22800 |
| 19 | 27930 |
| 20 | 33880 |
| 21 | 40733 |
| 22 | 48576 |
| 23 | 57500 |
| 24 | 67600 |
| 25 | 78975 |
| 26 | 91728 |
| 27 | 105966 |
| 28 | 121800 |
| 29 | 139345 |
| 30 | 158720 |
| 31 | 180048 |
| 32 | 203456 |
| 33 | 229075 |
| 34 | 257040 |
| 35 | 287490 |
| 36 | 320568 |
| 37 | 356421 |
| 38 | 395200 |
[0,3,16,50,120,245,448,756,1200,1815,2640,3718, 5096,6825,8960,11560,14688,18411,22800,27930, 33880,40733,48576,57500,67600,78975,91728,105966, 121800,139345,158720,180048,203456,229075,257040, 287490,320568,356421,395200] |