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| n | a(n) |
|---|---|
| 1 | 51 |
| 2 | 207 |
| 3 | 467 |
| 4 | 831 |
| 5 | 1299 |
| 6 | 1871 |
| 7 | 2547 |
| 8 | 3327 |
| 9 | 4211 |
| 10 | 5199 |
| 11 | 6291 |
| 12 | 7487 |
| 13 | 8787 |
| 14 | 10191 |
| 15 | 11699 |
| 16 | 13311 |
| 17 | 15027 |
| 18 | 16847 |
| 19 | 18771 |
| 20 | 20799 |
| 21 | 22931 |
| 22 | 25167 |
| 23 | 27507 |
| 24 | 29951 |
| 25 | 32499 |
| 26 | 35151 |
| 27 | 37907 |
| 28 | 40767 |
| 29 | 43731 |
| 30 | 46799 |
| 31 | 49971 |
| 32 | 53247 |
| 33 | 56627 |
| 34 | 60111 |
| 35 | 63699 |
| 36 | 67391 |
| 37 | 71187 |
| 38 | 75087 |
| 39 | 79091 |
| 40 | 83199 |
[51,207,467,831,1299,1871,2547,3327,4211,5199, 6291,7487,8787,10191,11699,13311,15027,16847, 18771,20799,22931,25167,27507,29951,32499,35151, 37907,40767,43731,46799,49971,53247,56627,60111, 63699,67391,71187,75087,79091,83199] |