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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 12 |
| 6 | 22 |
| 7 | 44 |
| 8 | 56 |
| 9 | 76 |
| 10 | 130 |
| 11 | 260 |
| 12 | 376 |
| 13 | 752 |
| 14 | 1248 |
| 15 | 1948 |
| 16 | 2224 |
| 17 | 4448 |
| 18 | 5808 |
| 19 | 11616 |
| 20 | 16016 |
| 21 | 24000 |
| 22 | 38416 |
| 23 | 76832 |
| 24 | 94656 |
| 25 | 114736 |
| 26 | 181992 |
| 27 | 204024 |
| 28 | 274056 |
| 29 | 548112 |
| 30 | 743856 |
| 31 | 1487712 |
| 32 | 1593696 |
| 33 | 2292992 |
| 34 | 3590880 |
| 35 | 4881120 |
| 36 | 5630592 |
| 37 | 11261184 |
| 38 | 17559072 |
| 39 | 24987360 |
[1,1,2,4,6,12,22,44,56,76,130,260,376,752,1248, 1948,2224,4448,5808,11616,16016,24000,38416,76832, 94656,114736,181992,204024,274056,548112,743856, 1487712,1593696,2292992,3590880,4881120,5630592, 11261184,17559072,24987360] |