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| n | a(n) |
|---|---|
| 1 | 55 |
| 2 | 91 |
| 3 | 187 |
| 4 | 247 |
| 5 | 391 |
| 6 | 667 |
| 7 | 1147 |
| 8 | 1591 |
| 9 | 1927 |
| 10 | 2491 |
| 11 | 3127 |
| 12 | 4087 |
| 13 | 4891 |
| 14 | 5767 |
| 15 | 7387 |
| 16 | 9991 |
| 17 | 10807 |
| 18 | 11227 |
| 19 | 12091 |
| 20 | 17947 |
| 21 | 23707 |
| 22 | 25591 |
| 23 | 28891 |
| 24 | 30967 |
| 25 | 37627 |
| 26 | 38407 |
| 27 | 51067 |
| 28 | 52891 |
| 29 | 55687 |
| 30 | 64507 |
| 31 | 67591 |
| 32 | 70747 |
| 33 | 75067 |
| 34 | 78391 |
| 35 | 96091 |
| 36 | 98587 |
| 37 | 111547 |
| 38 | 122491 |
[55,91,187,247,391,667,1147,1591,1927,2491,3127, 4087,4891,5767,7387,9991,10807,11227,12091,17947, 23707,25591,28891,30967,37627,38407,51067,52891, 55687,64507,67591,70747,75067,78391,96091,98587, 111547,122491] |