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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 8 |
| 5 | 17 |
| 6 | 40 |
| 7 | 93 |
| 8 | 208 |
| 9 | 449 |
| 10 | 944 |
| 11 | 1949 |
| 12 | 3976 |
| 13 | 8049 |
| 14 | 16216 |
| 15 | 32573 |
| 16 | 65312 |
| 17 | 130817 |
| 18 | 261856 |
| 19 | 523965 |
| 20 | 1048216 |
| 21 | 2096753 |
| 22 | 4193864 |
| 23 | 8388125 |
| 24 | 16776688 |
| 25 | 33553857 |
| 26 | 67108240 |
| 27 | 134217053 |
| 28 | 268434728 |
| 29 | 536870129 |
| 30 | 1073740984 |
| 31 | 2147482749 |
[1,3,4,5,8,17,40,93,208,449,944,1949,3976,8049, 16216,32573,65312,130817,261856,523965,1048216, 2096753,4193864,8388125,16776688,33553857, 67108240,134217053,268434728,536870129,1073740984, 2147482749] |