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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 25 |
| 5 | 49 |
| 6 | 121 |
| 7 | 224 |
| 8 | 476 |
| 9 | 862 |
| 10 | 1629 |
| 11 | 2750 |
| 12 | 4942 |
| 13 | 7947 |
| 14 | 13290 |
| 15 | 20892 |
| 16 | 33272 |
| 17 | 50229 |
| 18 | 77373 |
| 19 | 113409 |
| 20 | 168716 |
| 21 | 242193 |
| 22 | 349279 |
| 23 | 489700 |
| 24 | 692174 |
| 25 | 950812 |
| 26 | 1312535 |
| 27 | 1775675 |
| 28 | 2406215 |
| 29 | 3200557 |
| 30 | 4271720 |
| 31 | 5600464 |
| 32 | 7359874 |
| 33 | 9536595 |
| 34 | 12359775 |
| 35 | 15825600 |
[1,4,9,25,49,121,224,476,862,1629,2750,4942,7947, 13290,20892,33272,50229,77373,113409,168716, 242193,349279,489700,692174,950812,1312535, 1775675,2406215,3200557,4271720,5600464,7359874, 9536595,12359775,15825600] |