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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 4 |
| 3 | 12 |
| 4 | 16 |
| 5 | 48 |
| 6 | 68 |
| 7 | 204 |
| 8 | 256 |
| 9 | 768 |
| 10 | 1088 |
| 11 | 3264 |
| 12 | 4112 |
| 13 | 12336 |
| 14 | 17476 |
| 15 | 52428 |
| 16 | 65536 |
| 17 | 196608 |
| 18 | 278528 |
| 19 | 835584 |
| 20 | 1052672 |
| 21 | 3158016 |
| 22 | 4473856 |
| 23 | 13421568 |
| 24 | 16777472 |
| 25 | 50332416 |
| 26 | 71304256 |
| 27 | 213912768 |
| 28 | 269488144 |
| 29 | 808464432 |
| 30 | 1145324612 |
| 31 | 3435973836 |
| 32 | 4294967296 |
| 33 | 12884901888 |
[1,3,4,12,16,48,68,204,256,768,1088,3264,4112, 12336,17476,52428,65536,196608,278528,835584, 1052672,3158016,4473856,13421568,16777472, 50332416,71304256,213912768,269488144,808464432, 1145324612,3435973836,4294967296,12884901888] |