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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 14 |
| 5 | 27 |
| 6 | 61 |
| 7 | 117 |
| 8 | 250 |
| 9 | 494 |
| 10 | 1012 |
| 11 | 2007 |
| 12 | 4088 |
| 13 | 8112 |
| 14 | 16357 |
| 15 | 32635 |
| 16 | 65493 |
| 17 | 130779 |
| 18 | 262115 |
| 19 | 523710 |
| 20 | 1048502 |
| 21 | 2096110 |
| 22 | 4194124 |
| 23 | 8386419 |
| 24 | 16777182 |
| 25 | 33550085 |
| 26 | 67108507 |
| 27 | 134209495 |
| 28 | 268434899 |
| 29 | 536853987 |
| 30 | 1073741664 |
| 31 | 2147449815 |
| 32 | 4294966187 |
| 33 | 8589868975 |
| 34 | 17179866799 |
[1,3,6,14,27,61,117,250,494,1012,2007,4088,8112, 16357,32635,65493,130779,262115,523710,1048502, 2096110,4194124,8386419,16777182,33550085, 67108507,134209495,268434899,536853987,1073741664, 2147449815,4294966187,8589868975,17179866799] |