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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 2 |
| 4 | 11 |
| 5 | 21 |
| 6 | 22 |
| 7 | 85 |
| 8 | 171 |
| 9 | 170 |
| 10 | 683 |
| 11 | 1365 |
| 12 | 1366 |
| 13 | 5461 |
| 14 | 10923 |
| 15 | 10922 |
| 16 | 43691 |
| 17 | 87381 |
| 18 | 87382 |
| 19 | 349525 |
| 20 | 699051 |
| 21 | 699050 |
| 22 | 2796203 |
| 23 | 5592405 |
| 24 | 5592406 |
| 25 | 22369621 |
| 26 | 44739243 |
| 27 | 44739242 |
| 28 | 178956971 |
| 29 | 357913941 |
| 30 | 357913942 |
| 31 | 1431655765 |
| 32 | 2863311531 |
[1,1,3,2,11,21,22,85,171,170,683,1365,1366,5461, 10923,10922,43691,87381,87382,349525,699051, 699050,2796203,5592405,5592406,22369621,44739243, 44739242,178956971,357913941,357913942,1431655765, 2863311531] |