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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 11 |
| 4 | 21 |
| 5 | 43 |
| 6 | 93 |
| 7 | 179 |
| 8 | 381 |
| 9 | 763 |
| 10 | 1533 |
| 11 | 3059 |
| 12 | 6141 |
| 13 | 12283 |
| 14 | 24573 |
| 15 | 49139 |
| 16 | 98301 |
| 17 | 196603 |
| 18 | 393213 |
| 19 | 786419 |
| 20 | 1572861 |
| 21 | 3145723 |
| 22 | 6291453 |
| 23 | 12582899 |
| 24 | 25165821 |
| 25 | 50331643 |
| 26 | 100663293 |
| 27 | 201326579 |
| 28 | 402653181 |
| 29 | 805306363 |
| 30 | 1610612733 |
| 31 | 3221225459 |
| 32 | 6442450941 |
| 33 | 12884901883 |
[1,3,5,11,21,43,93,179,381,763,1533,3059,6141, 12283,24573,49139,98301,196603,393213,786419, 1572861,3145723,6291453,12582899,25165821, 50331643,100663293,201326579,402653181,805306363, 1610612733,3221225459,6442450941,12884901883] |