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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 12 |
| 5 | 20 |
| 6 | 30 |
| 7 | 46 |
| 8 | 72 |
| 9 | 112 |
| 10 | 164 |
| 11 | 248 |
| 12 | 364 |
| 13 | 542 |
| 14 | 796 |
| 15 | 1180 |
| 16 | 1732 |
| 17 | 2550 |
| 18 | 3744 |
| 19 | 5504 |
| 20 | 8076 |
| 21 | 11854 |
| 22 | 17386 |
| 23 | 25498 |
| 24 | 37382 |
| 25 | 54808 |
| 26 | 80342 |
| 27 | 117770 |
| 28 | 172618 |
| 29 | 253008 |
| 30 | 370820 |
| 31 | 543490 |
| 32 | 796546 |
| 33 | 1167424 |
| 34 | 1710966 |
| 35 | 2507572 |
| 36 | 3675050 |
| 37 | 5386080 |
| 38 | 7893712 |
| 39 | 11568832 |
| 40 | 16954976 |
[1,2,4,8,12,20,30,46,72,112,164,248,364,542,796, 1180,1732,2550,3744,5504,8076,11854,17386,25498, 37382,54808,80342,117770,172618,253008,370820, 543490,796546,1167424,1710966,2507572,3675050, 5386080,7893712,11568832,16954976] |