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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 14 |
| 4 | 83 |
| 5 | 324 |
| 6 | 986 |
| 7 | 2484 |
| 8 | 5625 |
| 9 | 11304 |
| 10 | 21596 |
| 11 | 37824 |
| 12 | 64746 |
| 13 | 103252 |
| 14 | 163536 |
| 15 | 244200 |
| 16 | 364855 |
| 17 | 517478 |
| 18 | 741087 |
| 19 | 1009244 |
| 20 | 1394080 |
| 21 | 1842690 |
| 22 | 2470668 |
| 23 | 3178188 |
| 24 | 4171260 |
| 25 | 5242610 |
| 26 | 6735966 |
| 27 | 8331338 |
| 28 | 10511692 |
| 29 | 12777898 |
| 30 | 15922212 |
| 31 | 19067506 |
| 32 | 23429969 |
| 33 | 27785000 |
| 34 | 33707290 |
[0,1,14,83,324,986,2484,5625,11304,21596,37824, 64746,103252,163536,244200,364855,517478,741087, 1009244,1394080,1842690,2470668,3178188,4171260, 5242610,6735966,8331338,10511692,12777898, 15922212,19067506,23429969,27785000,33707290] |