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| n | a(n) |
|---|---|
| 1 | 202 |
| 2 | 418 |
| 3 | 830 |
| 4 | 1758 |
| 5 | 3610 |
| 6 | 7810 |
| 7 | 16390 |
| 8 | 36014 |
| 9 | 76770 |
| 10 | 170682 |
| 11 | 368326 |
| 12 | 826742 |
| 13 | 1802794 |
| 14 | 4080058 |
| 15 | 8981550 |
| 16 | 20478862 |
| 17 | 45484138 |
| 18 | 104423170 |
| 19 | 233911958 |
| 20 | 540447918 |
| 21 | 1220542066 |
| 22 | 2836640986 |
| 23 | 6456060310 |
| 24 | 15085064246 |
| 25 | 34583105082 |
| 26 | 81197167002 |
[202,418,830,1758,3610,7810,16390,36014,76770, 170682,368326,826742,1802794,4080058,8981550, 20478862,45484138,104423170,233911958,540447918, 1220542066,2836640986,6456060310,15085064246, 34583105082,81197167002] |