A216727 Duplicate of A174075.
1, 6, 18, 93, 600, 4320, 35168, 321630, 3257109, 36199458, 438126986, 5736774869
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.