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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 32 |
| 6 | 64 |
| 7 | 126 |
| 8 | 247 |
| 9 | 480 |
| 10 | 926 |
| 11 | 1764 |
| 12 | 3337 |
| 13 | 6208 |
| 14 | 11408 |
| 15 | 20608 |
| 16 | 36649 |
| 17 | 63976 |
| 18 | 109866 |
| 19 | 185012 |
| 20 | 306285 |
| 21 | 497190 |
| 22 | 792920 |
| 23 | 1241936 |
| 24 | 1913566 |
| 25 | 2898574 |
| 26 | 4323980 |
| 27 | 6353060 |
| 28 | 9206137 |
| 29 | 13158574 |
| 30 | 18576644 |
| 31 | 25906122 |
| 32 | 35732157 |
| 33 | 48752228 |
| 34 | 65865024 |
| 35 | 88127370 |
| 36 | 116877787 |
| 37 | 153675644 |
| 38 | 200476056 |
[2,4,8,16,32,64,126,247,480,926,1764,3337,6208, 11408,20608,36649,63976,109866,185012,306285, 497190,792920,1241936,1913566,2898574,4323980, 6353060,9206137,13158574,18576644,25906122, 35732157,48752228,65865024,88127370,116877787, 153675644,200476056] |