The OEIS is supported by the many generous donors to the OEIS Foundation.
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 | 1 |
| 5 | 3 |
| 6 | 5 |
| 7 | 7 |
| 8 | 9 |
| 9 | 21 |
| 10 | 37 |
| 11 | 57 |
| 12 | 81 |
| 13 | 169 |
| 14 | 301 |
| 15 | 485 |
| 16 | 729 |
| 17 | 1431 |
| 18 | 2549 |
| 19 | 4211 |
| 20 | 6561 |
| 21 | 12411 |
| 22 | 22045 |
| 23 | 36975 |
| 24 | 59049 |
| 25 | 109047 |
| 26 | 193029 |
| 27 | 326923 |
| 28 | 531441 |
| 29 | 965511 |
| 30 | 1703469 |
| 31 | 2903851 |
| 32 | 4782969 |
| 33 | 8590149 |
| 34 | 15111573 |
| 35 | 25875081 |
| 36 | 43046721 |
| 37 | 76670441 |
| 38 | 134539837 |
| 39 | 231087525 |
[1,1,1,1,1,3,5,7,9,21,37,57,81,169,301,485,729, 1431,2549,4211,6561,12411,22045,36975,59049, 109047,193029,326923,531441,965511,1703469, 2903851,4782969,8590149,15111573,25875081, 43046721,76670441,134539837,231087525] |