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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 9 |
| 6 | 10 |
| 7 | 21 |
| 8 | 22 |
| 9 | 45 |
| 10 | 91 |
| 11 | 183 |
| 12 | 184 |
| 13 | 369 |
| 14 | 370 |
| 15 | 741 |
| 16 | 742 |
| 17 | 1485 |
| 18 | 1486 |
| 19 | 2973 |
| 20 | 5947 |
| 21 | 11895 |
| 22 | 23791 |
| 23 | 47583 |
| 24 | 95167 |
| 25 | 190335 |
| 26 | 380671 |
| 27 | 761343 |
| 28 | 1522687 |
| 29 | 3045375 |
| 30 | 3045376 |
| 31 | 6090753 |
| 32 | 12181507 |
| 33 | 24363015 |
| 34 | 48726031 |
| 35 | 97452063 |
| 36 | 194904127 |
| 37 | 389808255 |
| 38 | 779616511 |
| 39 | 1559233023 |
| 40 | 3118466047 |
| 41 | 6236932095 |
[1,2,3,4,9,10,21,22,45,91,183,184,369,370,741,742, 1485,1486,2973,5947,11895,23791,47583,95167, 190335,380671,761343,1522687,3045375,3045376, 6090753,12181507,24363015,48726031,97452063, 194904127,389808255,779616511,1559233023, 3118466047,6236932095] |