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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 11 |
| 3 | 37 |
| 4 | 67 |
| 5 | 163 |
| 6 | 167 |
| 7 | 241 |
| 8 | 271 |
| 9 | 367 |
| 10 | 449 |
| 11 | 457 |
| 12 | 613 |
| 13 | 661 |
| 14 | 1613 |
| 15 | 1979 |
| 16 | 2069 |
| 17 | 2137 |
| 18 | 2221 |
| 19 | 2347 |
| 20 | 2351 |
| 21 | 2381 |
| 22 | 2399 |
| 23 | 2477 |
| 24 | 2633 |
| 25 | 2749 |
| 26 | 2837 |
| 27 | 3011 |
| 28 | 3449 |
| 29 | 3593 |
| 30 | 3671 |
| 31 | 3797 |
| 32 | 3911 |
| 33 | 3943 |
| 34 | 4001 |
| 35 | 4049 |
| 36 | 4079 |
| 37 | 4241 |
| 38 | 4999 |
| 39 | 5147 |
| 40 | 5261 |
| 41 | 5711 |
| 42 | 5981 |
| 43 | 6337 |
| 44 | 6379 |
| 45 | 6619 |
[3,11,37,67,163,167,241,271,367,449,457,613,661, 1613,1979,2069,2137,2221,2347,2351,2381,2399,2477, 2633,2749,2837,3011,3449,3593,3671,3797,3911,3943, 4001,4049,4079,4241,4999,5147,5261,5711,5981,6337, 6379,6619] |