A075575 Duplicate of A073655.
1, 6, 55, 28, 3, 10, 21, 136, 15, 406, 171, 820, 91, 36, 595, 66, 703, 120, 253, 78, 1225
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.