A083274 Duplicate of A067913.
1, 28, 30, 52, 231, 277, 523, 2278, 22749, 48854, 371305, 1447522, 1726931, 1947729
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.