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| n | a(n) |
|---|---|
| 1 | 131 |
| 2 | 251 |
| 3 | 401 |
| 4 | 491 |
| 5 | 701 |
| 6 | 761 |
| 7 | 911 |
| 8 | 941 |
| 9 | 971 |
| 10 | 1181 |
| 11 | 1361 |
| 12 | 1511 |
| 13 | 1571 |
| 14 | 1601 |
| 15 | 1811 |
| 16 | 1901 |
| 17 | 2351 |
| 18 | 2411 |
| 19 | 2441 |
| 20 | 2531 |
| 21 | 2621 |
| 22 | 2741 |
| 23 | 2861 |
| 24 | 3011 |
| 25 | 3041 |
| 26 | 3191 |
| 27 | 3221 |
| 28 | 3491 |
| 29 | 3701 |
| 30 | 3761 |
| 31 | 3881 |
| 32 | 3911 |
| 33 | 4211 |
| 34 | 4391 |
| 35 | 4451 |
| 36 | 4691 |
| 37 | 4751 |
| 38 | 4871 |
| 39 | 5051 |
| 40 | 5081 |
[131,251,401,491,701,761,911,941,971,1181,1361, 1511,1571,1601,1811,1901,2351,2411,2441,2531,2621, 2741,2861,3011,3041,3191,3221,3491,3701,3761,3881, 3911,4211,4391,4451,4691,4751,4871,5051,5081] |