A080302 a(n) = A080292(n)/3.
1, 3, 3, 27, 27, 27, 9, 567, 567, 567, 567, 891, 891, 297, 297
Offset: 1
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.