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| n | a(n) |
|---|---|
| 1 | 209 |
| 2 | 518 |
| 3 | 1194 |
| 4 | 2640 |
| 5 | 5688 |
| 6 | 12036 |
| 7 | 25126 |
| 8 | 51904 |
| 9 | 106344 |
| 10 | 216500 |
| 11 | 438614 |
| 12 | 885336 |
| 13 | 1782168 |
| 14 | 3580356 |
| 15 | 7182678 |
| 16 | 14395024 |
| 17 | 28829560 |
| 18 | 57711060 |
| 19 | 115489574 |
| 20 | 231065768 |
| 21 | 462241608 |
| 22 | 924621732 |
| 23 | 1849416198 |
| 24 | 3699045984 |
| 25 | 7398353992 |
| 26 | 14797027060 |
[209,518,1194,2640,5688,12036,25126,51904,106344, 216500,438614,885336,1782168,3580356,7182678, 14395024,28829560,57711060,115489574,231065768, 462241608,924621732,1849416198,3699045984, 7398353992,14797027060] |