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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 11 |
| 6 | 29 |
| 7 | 171 |
| 8 | 783 |
| 9 | 4399 |
| 10 | 33371 |
| 11 | 348951 |
| 12 | 4490023 |
| 13 | 67743969 |
| 14 | 1262306965 |
| 15 | 30412318737 |
| 16 | 938946971693 |
| 17 | 36229300537639 |
| 18 | 1709400162886171 |
| 19 | 100764547585566691 |
| 20 | 7519118775918147695 |
| 21 | 708647258526428184031 |
[1,1,3,5,11,29,171,783,4399,33371,348951,4490023, 67743969,1262306965,30412318737,938946971693, 36229300537639,1709400162886171, 100764547585566691,7519118775918147695, 708647258526428184031] |