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.

A347141 a(1) = 11; for n > 1, a(n) is the smallest prime factor of 2^a(n-1) - 1.

Table of values

n a(n)
1 11
2 23
3 47
4 2351
5 4703

List of values

[11, 23, 47, 2351, 4703]