| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 39 |
| 2 | 196 |
| 3 | 664 |
| 4 | 1809 |
| 5 | 4250 |
| 6 | 8954 |
| 7 | 17346 |
| 8 | 31434 |
| 9 | 53949 |
| 10 | 88500 |
| 11 | 139744 |
| 12 | 213571 |
| 13 | 317304 |
| 14 | 459914 |
| 15 | 652250 |
| 16 | 907284 |
| 17 | 1240371 |
| 18 | 1669524 |
| 19 | 2215704 |
| 20 | 2903125 |
| 21 | 3759574 |
| 22 | 4816746 |
| 23 | 6110594 |
| 24 | 7681694 |
| 25 | 9575625 |
| 26 | 11843364 |
| 27 | 14541696 |
| 28 | 17733639 |
| 29 | 21488884 |
| 30 | 25884250 |
| 31 | 31004154 |
| 32 | 36941096 |
[0,39,196,664,1809,4250,8954,17346,31434,53949, 88500,139744,213571,317304,459914,652250,907284, 1240371,1669524,2215704,2903125,3759574,4816746, 6110594,7681694,9575625,11843364,14541696, 17733639,21488884,25884250,31004154,36941096] |