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| n | a(n) |
|---|---|
| 1 | 11 |
| 2 | 23 |
| 3 | 31 |
| 4 | 43 |
| 5 | 59 |
| 6 | 179 |
| 7 | 643 |
| 8 | 2083 |
| 9 | 13127 |
| 10 | 15643 |
| 11 | 15679 |
| 12 | 42491 |
| 13 | 1078507 |
| 14 | 3579271 |
| 15 | 19331563 |
| 16 | 86094067 |
| 17 | 6103515643 |
| 18 | 8194271927 |
| 19 | 783860159531 |
| 20 | 15251196923099 |
| 21 | 45753585300547 |
| 22 | 411782264189423 |
| 23 | 477025444560779 |
| 24 | 1490116182146884843 |
| 25 | 2390683931166760351 |
| 26 | 186275633044228814171 |
| 27 | 931322574615478517083 |
[11,23,31,43,59,179,643,2083,13127,15643,15679, 42491,1078507,3579271,19331563,86094067, 6103515643,8194271927,783860159531,15251196923099, 45753585300547,411782264189423,477025444560779, 1490116182146884843,2390683931166760351, 186275633044228814171,931322574615478517083] |