cp's OEIS Frontend

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.

A117635 Royal elements sequence from A018226 plus closed next shell at 168: H,B,Cl,Mn,Ag,Au,X(Unknown).

Table of values

n a(n)
0 1
1 5
2 17
3 25
4 47
5 79
6 165

List of values

[1, 5, 17, 25, 47, 79, 165]