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| n | a(n) |
|---|---|
| 1 | 31 |
| 2 | 61 |
| 3 | 151 |
| 4 | 181 |
| 5 | 241 |
| 6 | 271 |
| 7 | 331 |
| 8 | 421 |
| 9 | 541 |
| 10 | 601 |
| 11 | 631 |
| 12 | 691 |
| 13 | 991 |
| 14 | 1051 |
| 15 | 1171 |
| 16 | 1231 |
| 17 | 1321 |
| 18 | 1531 |
| 19 | 1621 |
| 20 | 1951 |
| 21 | 2221 |
| 22 | 2251 |
| 23 | 2341 |
| 24 | 2671 |
| 25 | 2851 |
| 26 | 2971 |
| 27 | 3331 |
| 28 | 3391 |
| 29 | 3571 |
| 30 | 3931 |
| 31 | 4021 |
| 32 | 4051 |
| 33 | 4201 |
| 34 | 4231 |
| 35 | 4591 |
| 36 | 4651 |
| 37 | 4951 |
| 38 | 5281 |
| 39 | 5581 |
| 40 | 5821 |
| 41 | 6121 |
| 42 | 6271 |
| 43 | 6301 |
| 44 | 6451 |
| 45 | 6481 |
[31,61,151,181,241,271,331,421,541,601,631,691, 991,1051,1171,1231,1321,1531,1621,1951,2221,2251, 2341,2671,2851,2971,3331,3391,3571,3931,4021,4051, 4201,4231,4591,4651,4951,5281,5581,5821,6121,6271, 6301,6451,6481] |