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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 12 |
| 3 | 22 |
| 4 | 34 |
| 5 | 44 |
| 6 | 58 |
| 7 | 72 |
| 8 | 88 |
| 9 | 100 |
| 10 | 120 |
| 11 | 126 |
| 12 | 148 |
| 13 | 164 |
| 14 | 182 |
| 15 | 196 |
| 16 | 220 |
| 17 | 228 |
| 18 | 254 |
| 19 | 264 |
| 20 | 284 |
| 21 | 304 |
| 22 | 328 |
| 23 | 338 |
| 24 | 358 |
| 25 | 382 |
| 26 | 400 |
| 27 | 420 |
| 28 | 444 |
| 29 | 442 |
| 30 | 478 |
| 31 | 494 |
| 32 | 518 |
| 33 | 544 |
| 34 | 564 |
| 35 | 562 |
| 36 | 602 |
| 37 | 622 |
| 38 | 648 |
| 39 | 652 |
| 40 | 690 |
| 41 | 684 |
| 42 | 730 |
| 43 | 740 |
| 44 | 768 |
| 45 | 790 |
| 46 | 812 |
| 47 | 828 |
| 48 | 858 |
| 49 | 870 |
| 50 | 898 |
| 51 | 920 |
| 52 | 946 |
| 53 | 958 |
| 54 | 990 |
[4,12,22,34,44,58,72,88,100,120,126,148,164,182, 196,220,228,254,264,284,304,328,338,358,382,400, 420,444,442,478,494,518,544,564,562,602,622,648, 652,690,684,730,740,768,790,812,828,858,870,898, 920,946,958,990] |