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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 37 |
| 3 | 277 |
| 4 | 313 |
| 5 | 613 |
| 6 | 7591 |
| 7 | 8209 |
| 8 | 12157 |
| 9 | 23053 |
| 10 | 32233 |
| 11 | 42953 |
| 12 | 44887 |
| 13 | 105649 |
| 14 | 225769 |
| 15 | 245941 |
| 16 | 258707 |
| 17 | 287671 |
| 18 | 331333 |
| 19 | 342049 |
| 20 | 346111 |
| 21 | 347443 |
| 22 | 393853 |
| 23 | 560719 |
| 24 | 721267 |
| 25 | 867253 |
| 26 | 1001089 |
| 27 | 1064431 |
| 28 | 1219849 |
| 29 | 1545127 |
| 30 | 1556623 |
| 31 | 1617727 |
| 32 | 1752607 |
[13,37,277,313,613,7591,8209,12157,23053,32233, 42953,44887,105649,225769,245941,258707,287671, 331333,342049,346111,347443,393853,560719,721267, 867253,1001089,1064431,1219849,1545127,1556623, 1617727,1752607] |