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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 30 |
| 6 | 58 |
| 7 | 113 |
| 8 | 219 |
| 9 | 426 |
| 10 | 826 |
| 11 | 1602 |
| 12 | 3114 |
| 13 | 6054 |
| 14 | 11774 |
| 15 | 22906 |
| 16 | 44580 |
| 17 | 86816 |
| 18 | 169146 |
| 19 | 329690 |
| 20 | 642902 |
| 21 | 1254228 |
| 22 | 2447972 |
| 23 | 4780028 |
| 24 | 9337760 |
| 25 | 18249160 |
| 26 | 35680380 |
| 27 | 69791189 |
| 28 | 136569595 |
| 29 | 267354230 |
| 30 | 523597338 |
| 31 | 1025847551 |
| 32 | 2010669785 |
| 33 | 3942472250 |
[1,2,4,8,16,30,58,113,219,426,826,1602,3114,6054, 11774,22906,44580,86816,169146,329690,642902, 1254228,2447972,4780028,9337760,18249160,35680380, 69791189,136569595,267354230,523597338,1025847551, 2010669785,3942472250] |