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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 30 |
| 5 | 52 |
| 6 | 68 |
| 7 | 128 |
| 8 | 140 |
| 9 | 170 |
| 10 | 182 |
| 11 | 186 |
| 12 | 294 |
| 13 | 332 |
| 14 | 498 |
| 15 | 516 |
| 16 | 528 |
| 17 | 534 |
| 18 | 1106 |
| 19 | 1932 |
| 20 | 2248 |
| 21 | 2262 |
| 22 | 4560 |
| 23 | 5046 |
| 24 | 11978 |
| 25 | 13670 |
| 26 | 14510 |
| 27 | 20262 |
| 28 | 23588 |
| 29 | 26550 |
| 30 | 31730 |
| 31 | 37788 |
| 32 | 42002 |
| 33 | 71068 |
| 34 | 95736 |
| 35 | 172802 |
| 36 | 296862 |
| 37 | 312776 |
| 38 | 398136 |
| 39 | 475400 |
| 40 | 501770 |
| 41 | 561426 |
| 42 | 1648168 |
[2,4,8,30,52,68,128,140,170,182,186,294,332,498, 516,528,534,1106,1932,2248,2262,4560,5046,11978, 13670,14510,20262,23588,26550,31730,37788,42002, 71068,95736,172802,296862,312776,398136,475400, 501770,561426,1648168] |