A276145 Duplicate of A063544.
1, 1, 2, 4, 11, 30, 89, 250, 776, 2236, 7147, 20979, 68448
Offset: 3
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.