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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 | 1 |
| 4 | 2 |
| 5 | 5 |
| 6 | 15 |
| 7 | 51 |
| 8 | 191 |
| 9 | 773 |
| 10 | 3338 |
| 11 | 15243 |
| 12 | 73131 |
| 13 | 366815 |
| 14 | 1916260 |
| 15 | 10394665 |
| 16 | 58404853 |
| 17 | 339223859 |
| 18 | 2033188222 |
| 19 | 12556915219 |
| 20 | 79807729238 |
| 21 | 521399203037 |
| 22 | 3497978659977 |
| 23 | 24076009827669 |
| 24 | 169865542733652 |
| 25 | 1227553152971419 |
| 26 | 9079751310622581 |
[1,1,1,1,2,5,15,51,191,773,3338,15243,73131, 366815,1916260,10394665,58404853,339223859, 2033188222,12556915219,79807729238,521399203037, 3497978659977,24076009827669,169865542733652, 1227553152971419,9079751310622581] |