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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 12 |
| 5 | 16 |
| 6 | 30 |
| 7 | 38 |
| 8 | 64 |
| 9 | 84 |
| 10 | 128 |
| 11 | 166 |
| 12 | 248 |
| 13 | 314 |
| 14 | 448 |
| 15 | 576 |
| 16 | 790 |
| 17 | 1004 |
| 18 | 1358 |
| 19 | 1708 |
| 20 | 2264 |
| 21 | 2844 |
| 22 | 3694 |
| 23 | 4614 |
| 24 | 5936 |
| 25 | 7354 |
| 26 | 9342 |
| 27 | 11544 |
| 28 | 14502 |
| 29 | 17816 |
| 30 | 22220 |
| 31 | 27144 |
| 32 | 33584 |
| 33 | 40878 |
| 34 | 50192 |
| 35 | 60828 |
| 36 | 74276 |
| 37 | 89596 |
| 38 | 108778 |
| 39 | 130772 |
| 40 | 157918 |
| 41 | 189116 |
| 42 | 227374 |
[2,4,6,12,16,30,38,64,84,128,166,248,314,448,576, 790,1004,1358,1708,2264,2844,3694,4614,5936,7354, 9342,11544,14502,17816,22220,27144,33584,40878, 50192,60828,74276,89596,108778,130772,157918, 189116,227374] |