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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 4 |
| 2 | 6 |
| 3 | 10 |
| 4 | 12 |
| 5 | 18 |
| 6 | 28 |
| 7 | 30 |
| 8 | 36 |
| 9 | 54 |
| 10 | 82 |
| 11 | 84 |
| 12 | 90 |
| 13 | 108 |
| 14 | 162 |
| 15 | 244 |
| 16 | 246 |
| 17 | 252 |
| 18 | 270 |
| 19 | 324 |
| 20 | 486 |
| 21 | 730 |
| 22 | 732 |
| 23 | 738 |
| 24 | 756 |
| 25 | 810 |
| 26 | 972 |
| 27 | 1458 |
| 28 | 2188 |
| 29 | 2190 |
| 30 | 2196 |
| 31 | 2214 |
| 32 | 2268 |
| 33 | 2430 |
| 34 | 2916 |
| 35 | 4374 |
| 36 | 6562 |
| 37 | 6564 |
| 38 | 6570 |
| 39 | 6588 |
| 40 | 6642 |
| 41 | 6804 |
| 42 | 7290 |
| 43 | 8748 |
| 44 | 13122 |
| 45 | 19684 |
| 46 | 19686 |
| 47 | 19692 |
| 48 | 19710 |
[2,4,6,10,12,18,28,30,36,54,82,84,90,108,162,244, 246,252,270,324,486,730,732,738,756,810,972,1458, 2188,2190,2196,2214,2268,2430,2916,4374,6562,6564, 6570,6588,6642,6804,7290,8748,13122,19684,19686, 19692,19710] |