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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 8 |
| 5 | 12 |
| 6 | 14 |
| 7 | 190 |
| 8 | 194 |
| 9 | 306 |
| 10 | 308 |
| 11 | 462 |
| 12 | 464 |
| 13 | 472 |
| 14 | 474 |
| 15 | 476 |
| 16 | 478 |
| 17 | 490 |
| 18 | 1884 |
| 19 | 1890 |
| 20 | 1938 |
| 21 | 23636 |
| 22 | 23656 |
| 23 | 23850 |
| 24 | 25226 |
| 25 | 25834 |
| 26 | 25984 |
| 27 | 26642 |
| 28 | 26650 |
| 29 | 26924 |
| 30 | 26998 |
| 31 | 27000 |
| 32 | 311922 |
| 33 | 313880 |
| 34 | 313946 |
| 35 | 331676 |
| 36 | 331762 |
| 37 | 331782 |
| 38 | 332676 |
| 39 | 377078 |
| 40 | 377518 |
| 41 | 377666 |
[2,4,6,8,12,14,190,194,306,308,462,464,472,474, 476,478,490,1884,1890,1938,23636,23656,23850, 25226,25834,25984,26642,26650,26924,26998,27000, 311922,313880,313946,331676,331762,331782,332676, 377078,377518,377666] |