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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 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 24 |
| 5 | 82 |
| 6 | 283 |
| 7 | 960 |
| 8 | 3672 |
| 9 | 13259 |
| 10 | 50113 |
| 11 | 193764 |
| 12 | 742612 |
| 13 | 2912785 |
| 14 | 11522720 |
| 15 | 45500097 |
| 16 | 183104544 |
| 17 | 735219575 |
| 18 | 2970271252 |
| 19 | 12116306433 |
| 20 | 49363789064 |
| 21 | 202394438728 |
| 22 | 833999867026 |
| 23 | 3437139541794 |
| 24 | 14245025660887 |
| 25 | 59162095255963 |
| 26 | 246097660973561 |
| 27 | 1027969659568924 |
| 28 | 4298235454806538 |
[1,1,3,8,24,82,283,960,3672,13259,50113,193764, 742612,2912785,11522720,45500097,183104544, 735219575,2970271252,12116306433,49363789064, 202394438728,833999867026,3437139541794, 14245025660887,59162095255963,246097660973561, 1027969659568924,4298235454806538] |