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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 10 |
| 5 | 14 |
| 6 | 20 |
| 7 | 22 |
| 8 | 32 |
| 9 | 34 |
| 10 | 46 |
| 11 | 52 |
| 12 | 56 |
| 13 | 62 |
| 14 | 70 |
| 15 | 74 |
| 16 | 92 |
| 17 | 112 |
| 18 | 118 |
| 19 | 122 |
| 20 | 130 |
| 21 | 136 |
| 22 | 146 |
| 23 | 172 |
| 24 | 176 |
| 25 | 190 |
| 26 | 196 |
| 27 | 218 |
| 28 | 220 |
| 29 | 224 |
| 30 | 238 |
| 31 | 244 |
| 32 | 256 |
| 33 | 260 |
| 34 | 274 |
| 35 | 286 |
| 36 | 290 |
| 37 | 298 |
| 38 | 322 |
| 39 | 332 |
| 40 | 350 |
| 41 | 356 |
| 42 | 374 |
| 43 | 382 |
| 44 | 398 |
| 45 | 400 |
| 46 | 428 |
| 47 | 442 |
| 48 | 448 |
| 49 | 454 |
| 50 | 458 |
| 51 | 476 |
| 52 | 484 |
| 53 | 494 |
| 54 | 532 |
| 55 | 536 |
| 56 | 538 |
[2,4,8,10,14,20,22,32,34,46,52,56,62,70,74,92,112, 118,122,130,136,146,172,176,190,196,218,220,224, 238,244,256,260,274,286,290,298,322,332,350,356, 374,382,398,400,428,442,448,454,458,476,484,494, 532,536,538] |