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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 5 |
| 5 | 5 |
| 6 | 10 |
| 7 | 10 |
| 8 | 26 |
| 9 | 26 |
| 10 | 52 |
| 11 | 52 |
| 12 | 130 |
| 13 | 130 |
| 14 | 260 |
| 15 | 260 |
| 16 | 677 |
| 17 | 677 |
| 18 | 1354 |
| 19 | 1354 |
| 20 | 3385 |
| 21 | 3385 |
| 22 | 6770 |
| 23 | 6770 |
| 24 | 17602 |
| 25 | 17602 |
| 26 | 35204 |
| 27 | 35204 |
| 28 | 88010 |
| 29 | 88010 |
| 30 | 176020 |
| 31 | 176020 |
| 32 | 458330 |
| 33 | 458330 |
| 34 | 916660 |
| 35 | 916660 |
| 36 | 2291650 |
| 37 | 2291650 |
| 38 | 4583300 |
| 39 | 4583300 |
| 40 | 11916580 |
| 41 | 11916580 |
[1,1,2,2,5,5,10,10,26,26,52,52,130,130,260,260, 677,677,1354,1354,3385,3385,6770,6770,17602,17602, 35204,35204,88010,88010,176020,176020,458330, 458330,916660,916660,2291650,2291650,4583300, 4583300,11916580,11916580] |