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| n | a(n) |
|---|---|
| 1 | 31 |
| 2 | 181 |
| 3 | 1039 |
| 4 | 4591 |
| 5 | 13687 |
| 6 | 21589 |
| 7 | 30211 |
| 8 | 40771 |
| 9 | 41641 |
| 10 | 41947 |
| 11 | 55441 |
| 12 | 56437 |
| 13 | 63559 |
| 14 | 70867 |
| 15 | 81307 |
| 16 | 83407 |
| 17 | 83869 |
| 18 | 87649 |
| 19 | 91639 |
| 20 | 111229 |
| 21 | 126199 |
| 22 | 126499 |
| 23 | 134287 |
| 24 | 157999 |
| 25 | 189559 |
| 26 | 201307 |
| 27 | 214129 |
| 28 | 220699 |
| 29 | 225751 |
| 30 | 228559 |
| 31 | 251431 |
| 32 | 281557 |
| 33 | 289717 |
| 34 | 290839 |
| 35 | 323767 |
| 36 | 337639 |
[31,181,1039,4591,13687,21589,30211,40771,41641, 41947,55441,56437,63559,70867,81307,83407,83869, 87649,91639,111229,126199,126499,134287,157999, 189559,201307,214129,220699,225751,228559,251431, 281557,289717,290839,323767,337639] |