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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 79 |
| 3 | 419 |
| 4 | 461 |
| 5 | 569 |
| 6 | 659 |
| 7 | 857 |
| 8 | 1019 |
| 9 | 1049 |
| 10 | 1091 |
| 11 | 1229 |
| 12 | 1289 |
| 13 | 1301 |
| 14 | 1319 |
| 15 | 1427 |
| 16 | 1481 |
| 17 | 1721 |
| 18 | 1931 |
| 19 | 1949 |
| 20 | 2129 |
| 21 | 2141 |
| 22 | 2339 |
| 23 | 2549 |
| 24 | 2789 |
| 25 | 2969 |
| 26 | 3119 |
| 27 | 3299 |
| 28 | 3329 |
| 29 | 3359 |
| 30 | 3389 |
| 31 | 3539 |
| 32 | 3821 |
| 33 | 3929 |
| 34 | 4001 |
| 35 | 4019 |
| 36 | 4091 |
| 37 | 4157 |
| 38 | 4217 |
| 39 | 4229 |
| 40 | 4241 |
| 41 | 4259 |
| 42 | 4421 |
| 43 | 4649 |
| 44 | 4787 |
[13,79,419,461,569,659,857,1019,1049,1091,1229, 1289,1301,1319,1427,1481,1721,1931,1949,2129,2141, 2339,2549,2789,2969,3119,3299,3329,3359,3389,3539, 3821,3929,4001,4019,4091,4157,4217,4229,4241,4259, 4421,4649,4787] |