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) |
|---|---|
| 1 | 5 |
| 2 | 6 |
| 3 | 18 |
| 4 | 27 |
| 5 | 48 |
| 6 | 51 |
| 7 | 92 |
| 8 | 396 |
| 9 | 678 |
| 10 | 1259 |
| 11 | 2085 |
| 12 | 2820 |
| 13 | 3009 |
| 14 | 4311 |
| 15 | 5015 |
| 16 | 7775 |
| 17 | 7955 |
| 18 | 8595 |
| 19 | 120380 |
| 20 | 166721 |
[5,6,18,27,48,51,92,396,678,1259,2085,2820,3009, 4311,5015,7775,7955,8595,120380,166721] |