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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 13 |
| 4 | 21 |
| 5 | 53 |
| 6 | 93 |
| 7 | 205 |
| 8 | 381 |
| 9 | 893 |
| 10 | 1533 |
| 11 | 3325 |
| 12 | 6141 |
| 13 | 14333 |
| 14 | 24573 |
| 15 | 53245 |
| 16 | 98301 |
| 17 | 229373 |
| 18 | 393213 |
| 19 | 851965 |
| 20 | 1572861 |
| 21 | 3670013 |
| 22 | 6291453 |
| 23 | 13631485 |
| 24 | 25165821 |
| 25 | 58720253 |
| 26 | 100663293 |
| 27 | 218103805 |
| 28 | 402653181 |
| 29 | 939524093 |
| 30 | 1610612733 |
| 31 | 3489660925 |
| 32 | 6442450941 |
| 33 | 15032385533 |
[1,3,5,13,21,53,93,205,381,893,1533,3325,6141, 14333,24573,53245,98301,229373,393213,851965, 1572861,3670013,6291453,13631485,25165821, 58720253,100663293,218103805,402653181,939524093, 1610612733,3489660925,6442450941,15032385533] |