A362097 Numbers k such that 5^k starts with k.
2, 7, 19, 67, 602, 1189, 3028, 48076, 5778508, 7409478, 269801494
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.