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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 17 |
| 4 | 58 |
| 5 | 209 |
| 6 | 761 |
| 7 | 2823 |
| 8 | 10557 |
| 9 | 39833 |
| 10 | 151147 |
| 11 | 576564 |
| 12 | 2208163 |
| 13 | 8486987 |
| 14 | 32714813 |
| 15 | 126430229 |
| 16 | 489685674 |
| 17 | 1900350201 |
| 18 | 7387530575 |
| 19 | 28763059410 |
| 20 | 112142791763 |
| 21 | 437774109384 |
| 22 | 1710883748796 |
| 23 | 6693281604018 |
| 24 | 26210038447737 |
| 25 | 102724200946467 |
| 26 | 402925631267151 |
[1,2,5,17,58,209,761,2823,10557,39833,151147, 576564,2208163,8486987,32714813,126430229, 489685674,1900350201,7387530575,28763059410, 112142791763,437774109384,1710883748796, 6693281604018,26210038447737,102724200946467, 402925631267151] |