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.

A268688 a(n) = (A266203(n)-1)/2 if n>0, and a(0) = 0.

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 10
5 30
6 190
7 1022

List of values

[0, 0, 1, 2, 10, 30, 190, 1022]