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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 31 |
| 3 | 103 |
| 4 | 127 |
| 5 | 151 |
| 6 | 199 |
| 7 | 271 |
| 8 | 463 |
| 9 | 631 |
| 10 | 751 |
| 11 | 919 |
| 12 | 991 |
| 13 | 1471 |
| 14 | 1759 |
| 15 | 1831 |
| 16 | 1999 |
| 17 | 2311 |
| 18 | 2671 |
| 19 | 3319 |
| 20 | 4111 |
| 21 | 4519 |
| 22 | 4951 |
| 23 | 5119 |
| 24 | 6679 |
| 25 | 8191 |
| 26 | 8719 |
| 27 | 10399 |
| 28 | 11839 |
| 29 | 12919 |
| 30 | 13399 |
| 31 | 15031 |
| 32 | 16879 |
| 33 | 19231 |
| 34 | 21319 |
| 35 | 23599 |
| 36 | 26959 |
| 37 | 30319 |
| 38 | 32839 |
| 39 | 34519 |
| 40 | 37591 |
| 41 | 38119 |
| 42 | 43759 |
| 43 | 48799 |
| 44 | 53551 |
| 45 | 58111 |
| 46 | 62791 |
[2,31,103,127,151,199,271,463,631,751,919,991, 1471,1759,1831,1999,2311,2671,3319,4111,4519,4951, 5119,6679,8191,8719,10399,11839,12919,13399,15031, 16879,19231,21319,23599,26959,30319,32839,34519, 37591,38119,43759,48799,53551,58111,62791] |