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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 12 |
| 5 | 33 |
| 6 | 99 |
| 7 | 319 |
| 8 | 1079 |
| 9 | 3555 |
| 10 | 11300 |
| 11 | 35863 |
| 12 | 111731 |
| 13 | 352219 |
| 14 | 1103216 |
| 15 | 3517983 |
| 16 | 11225970 |
| 17 | 35689268 |
| 18 | 113349420 |
| 19 | 359442201 |
| 20 | 1137949882 |
| 21 | 3593078597 |
| 22 | 11345200954 |
| 23 | 35855116040 |
| 24 | 113443380209 |
| 25 | 358576231579 |
| 26 | 1134002435072 |
| 27 | 3586987559568 |
[1,2,5,12,33,99,319,1079,3555,11300,35863,111731, 352219,1103216,3517983,11225970,35689268, 113349420,359442201,1137949882,3593078597, 11345200954,35855116040,113443380209,358576231579, 1134002435072,3586987559568] |