A072640 Maximum position in A072660 where the value n occurs.
0, 1, 3, 11, 100, 2090, 415729, 15670134831, 2990945138477441778, 28553369883190773267638351857949, 22025764139998888788032314837232820672093881927968648914
Offset: 0
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.