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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 13 |
| 3 | 181 |
| 4 | 613 |
| 5 | 761 |
| 6 | 1201 |
| 7 | 8581 |
| 8 | 9661 |
| 9 | 21013 |
| 10 | 26681 |
| 11 | 34061 |
| 12 | 59513 |
| 13 | 68821 |
| 14 | 101701 |
| 15 | 156241 |
| 16 | 584281 |
| 17 | 637321 |
| 18 | 718801 |
| 19 | 782501 |
| 20 | 787513 |
| 21 | 1078981 |
| 22 | 1193513 |
| 23 | 1336613 |
| 24 | 1470613 |
| 25 | 1529501 |
| 26 | 1639861 |
| 27 | 1757813 |
| 28 | 2103301 |
| 29 | 2257813 |
| 30 | 2287661 |
| 31 | 2601481 |
| 32 | 3540461 |
| 33 | 4307113 |
[5,13,181,613,761,1201,8581,9661,21013,26681, 34061,59513,68821,101701,156241,584281,637321, 718801,782501,787513,1078981,1193513,1336613, 1470613,1529501,1639861,1757813,2103301,2257813, 2287661,2601481,3540461,4307113] |