| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 12 |
| 4 | 22 |
| 5 | 28 |
| 6 | 30 |
| 7 | 36 |
| 8 | 46 |
| 9 | 52 |
| 10 | 60 |
| 11 | 70 |
| 12 | 78 |
| 13 | 100 |
| 14 | 102 |
| 15 | 108 |
| 16 | 126 |
| 17 | 148 |
| 18 | 150 |
| 19 | 156 |
| 20 | 166 |
| 21 | 172 |
| 22 | 180 |
| 23 | 190 |
| 24 | 196 |
| 25 | 198 |
| 26 | 222 |
| 27 | 228 |
| 28 | 238 |
| 29 | 262 |
| 30 | 268 |
| 31 | 270 |
| 32 | 276 |
| 33 | 292 |
| 34 | 310 |
| 35 | 316 |
| 36 | 348 |
| 37 | 358 |
| 38 | 366 |
| 39 | 372 |
| 40 | 382 |
| 41 | 388 |
| 42 | 396 |
| 43 | 420 |
| 44 | 430 |
| 45 | 438 |
| 46 | 460 |
| 47 | 462 |
| 48 | 478 |
| 49 | 486 |
| 50 | 502 |
| 51 | 508 |
| 52 | 540 |
| 53 | 556 |
| 54 | 598 |
[4,6,12,22,28,30,36,46,52,60,70,78,100,102,108, 126,148,150,156,166,172,180,190,196,198,222,228, 238,262,268,270,276,292,310,316,348,358,366,372, 382,388,396,420,430,438,460,462,478,486,502,508, 540,556,598] |