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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 | 23 |
| 5 | 72 |
| 6 | 239 |
| 7 | 825 |
| 8 | 2929 |
| 9 | 10624 |
| 10 | 39193 |
| 11 | 146587 |
| 12 | 554535 |
| 13 | 2118042 |
| 14 | 8156595 |
| 15 | 31635298 |
| 16 | 123462515 |
| 17 | 484483902 |
| 18 | 1910465543 |
| 19 | 7566438417 |
| 20 | 30084771297 |
| 21 | 120044573286 |
| 22 | 480550302501 |
| 23 | 1929362833770 |
| 24 | 7767140703837 |
| 25 | 31346346634338 |
[1,1,3,8,23,72,239,825,2929,10624,39193,146587, 554535,2118042,8156595,31635298,123462515, 484483902,1910465543,7566438417,30084771297, 120044573286,480550302501,1929362833770, 7767140703837,31346346634338] |