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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 7 |
| 5 | 10 |
| 6 | 22 |
| 7 | 42 |
| 8 | 87 |
| 9 | 170 |
| 10 | 342 |
| 11 | 686 |
| 12 | 1365 |
| 13 | 2727 |
| 14 | 5468 |
| 15 | 10919 |
| 16 | 21857 |
| 17 | 43680 |
| 18 | 87389 |
| 19 | 174756 |
| 20 | 349539 |
| 21 | 699039 |
| 22 | 1398115 |
| 23 | 2796191 |
| 24 | 5592422 |
| 25 | 11184795 |
| 26 | 22369639 |
| 27 | 44739229 |
| 28 | 89478503 |
| 29 | 178956950 |
| 30 | 357913967 |
| 31 | 715827858 |
| 32 | 1431655793 |
| 33 | 2863311503 |
| 34 | 5726623097 |
| 35 | 11453246088 |
[1,2,3,7,10,22,42,87,170,342,686,1365,2727,5468, 10919,21857,43680,87389,174756,349539,699039, 1398115,2796191,5592422,11184795,22369639, 44739229,89478503,178956950,357913967,715827858, 1431655793,2863311503,5726623097,11453246088] |