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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 587 |
| 3 | 1361 |
| 4 | 15227 |
| 5 | 118967 |
| 6 | 337721 |
| 7 | 383267 |
| 8 | 512891 |
| 9 | 1027331 |
| 10 | 1780151 |
| 11 | 2303681 |
| 12 | 8200391 |
| 13 | 9310517 |
| 14 | 14666579 |
| 15 | 25005089 |
| 16 | 29105981 |
| 17 | 34824971 |
| 18 | 38895497 |
| 19 | 40436909 |
| 20 | 51819461 |
| 21 | 63462977 |
| 22 | 65427749 |
| 23 | 65599199 |
| 24 | 66043091 |
| 25 | 75552479 |
| 26 | 94671671 |
[13,587,1361,15227,118967,337721,383267,512891, 1027331,1780151,2303681,8200391,9310517,14666579, 25005089,29105981,34824971,38895497,40436909, 51819461,63462977,65427749,65599199,66043091, 75552479,94671671] |