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.

A242272 Numbers n such that n*9^n+1 is semiprime.

Table of values

n a(n)
1 1
2 8
3 12
4 16
5 20
6 50
7 208
8 254
9 282
10 342
11 350
12 386

List of values

[1, 8, 12, 16, 20, 50, 208, 254, 282, 342, 350, 386]