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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 8 |
| 6 | 17 |
| 7 | 39 |
| 8 | 126 |
| 9 | 352 |
| 10 | 1026 |
| 11 | 2943 |
| 12 | 11429 |
| 13 | 39138 |
| 14 | 138903 |
| 15 | 486490 |
| 16 | 1711141 |
| 17 | 7720713 |
| 18 | 31383260 |
| 19 | 131236182 |
| 20 | 543056039 |
| 21 | 2254646235 |
| 22 | 9349845765 |
| 23 | 48137959377 |
| 24 | 226341090088 |
| 25 | 1090094720010 |
| 26 | 5203693239201 |
| 27 | 24909594299924 |
[1,1,1,2,3,8,17,39,126,352,1026,2943,11429,39138, 138903,486490,1711141,7720713,31383260,131236182, 543056039,2254646235,9349845765,48137959377, 226341090088,1090094720010,5203693239201, 24909594299924] |