| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 4 |
| 3 | 24 |
| 4 | 71 |
| 5 | 166 |
| 6 | 322 |
| 7 | 571 |
| 8 | 928 |
| 9 | 1403 |
| 10 | 2043 |
| 11 | 2875 |
| 12 | 3906 |
| 13 | 5183 |
| 14 | 6727 |
| 15 | 8584 |
| 16 | 10762 |
| 17 | 13303 |
| 18 | 16219 |
| 19 | 19601 |
| 20 | 23442 |
| 21 | 27766 |
| 22 | 32636 |
| 23 | 38080 |
| 24 | 44130 |
| 25 | 50771 |
| 26 | 58147 |
| 27 | 66243 |
| 28 | 75099 |
| 29 | 84768 |
| 30 | 95238 |
| 31 | 106629 |
| 32 | 118939 |
| 33 | 132179 |
| 34 | 146448 |
| 35 | 161761 |
| 36 | 178106 |
[0,0,4,24,71,166,322,571,928,1403,2043,2875,3906, 5183,6727,8584,10762,13303,16219,19601,23442, 27766,32636,38080,44130,50771,58147,66243,75099, 84768,95238,106629,118939,132179,146448,161761, 178106] |