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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 | 5 |
| 5 | 24 |
| 6 | 109 |
| 7 | 552 |
| 8 | 3177 |
| 9 | 28032 |
| 10 | 227961 |
| 11 | 1778688 |
| 12 | 15773229 |
| 13 | 212383872 |
| 14 | 2521786149 |
| 15 | 25215328512 |
| 16 | 294715261521 |
| 17 | 5734229114880 |
| 18 | 91106569198449 |
| 19 | 1029078328135680 |
| 20 | 14283819393505749 |
| 21 | 410202091438571520 |
[1,1,1,2,5,24,109,552,3177,28032,227961,1778688, 15773229,212383872,2521786149,25215328512, 294715261521,5734229114880,91106569198449, 1029078328135680,14283819393505749, 410202091438571520] |