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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 77 |
| 3 | 291 |
| 4 | 791 |
| 5 | 1761 |
| 6 | 3431 |
| 7 | 6077 |
| 8 | 10021 |
| 9 | 15631 |
| 10 | 23321 |
| 11 | 33551 |
| 12 | 46827 |
| 13 | 63701 |
| 14 | 84771 |
| 15 | 110681 |
| 16 | 142121 |
| 17 | 179827 |
| 18 | 224581 |
| 19 | 277211 |
| 20 | 338591 |
| 21 | 409641 |
| 22 | 491327 |
| 23 | 584661 |
| 24 | 690701 |
| 25 | 810551 |
| 26 | 945361 |
| 27 | 1096327 |
| 28 | 1264691 |
| 29 | 1451741 |
| 30 | 1658811 |
| 31 | 1887281 |
| 32 | 2138577 |
| 33 | 2414171 |
[11,77,291,791,1761,3431,6077,10021,15631,23321, 33551,46827,63701,84771,110681,142121,179827, 224581,277211,338591,409641,491327,584661,690701, 810551,945361,1096327,1264691,1451741,1658811, 1887281,2138577,2414171] |