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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 5 |
| 1 | 12 |
| 2 | 26 |
| 3 | 54 |
| 4 | 110 |
| 5 | 222 |
| 6 | 446 |
| 7 | 894 |
| 8 | 1790 |
| 9 | 3582 |
| 10 | 7166 |
| 11 | 14334 |
| 12 | 28670 |
| 13 | 57342 |
| 14 | 114686 |
| 15 | 229374 |
| 16 | 458750 |
| 17 | 917502 |
| 18 | 1835006 |
| 19 | 3670014 |
| 20 | 7340030 |
| 21 | 14680062 |
| 22 | 29360126 |
| 23 | 58720254 |
| 24 | 117440510 |
| 25 | 234881022 |
| 26 | 469762046 |
| 27 | 939524094 |
| 28 | 1879048190 |
| 29 | 3758096382 |
[5,12,26,54,110,222,446,894,1790,3582,7166,14334, 28670,57342,114686,229374,458750,917502,1835006, 3670014,7340030,14680062,29360126,58720254, 117440510,234881022,469762046,939524094, 1879048190,3758096382] |