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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 | 10 |
| 3 | 52 |
| 4 | 278 |
| 5 | 1516 |
| 6 | 8388 |
| 7 | 46920 |
| 8 | 264678 |
| 9 | 1503052 |
| 10 | 8581676 |
| 11 | 49215256 |
| 12 | 283297660 |
| 13 | 1635904376 |
| 14 | 9472214344 |
| 15 | 54975423504 |
| 16 | 319729353606 |
| 17 | 1862896455180 |
| 18 | 10871759717916 |
| 19 | 63539265366264 |
| 20 | 371837338366740 |
| 21 | 2178604586281128 |
| 22 | 12778264475444280 |
| 23 | 75022726995053808 |
[1,2,10,52,278,1516,8388,46920,264678,1503052, 8581676,49215256,283297660,1635904376,9472214344, 54975423504,319729353606,1862896455180, 10871759717916,63539265366264,371837338366740, 2178604586281128,12778264475444280, 75022726995053808] |