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.

A128026 Numbers n such that (10^n - 3^n)/7 is prime.

Table of values

n a(n)
1 2
2 3
3 5
4 37
5 599
6 38393
7 51431
8 118681
9 376417

List of values

[2, 3, 5, 37, 599, 38393, 51431, 118681, 376417]