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.

A242204 Numbers n such that n*4^n+1 is semiprime.

Table of values

n a(n)
1 2
2 6
3 8
4 9
5 13
6 15
7 25
8 36
9 37
10 63
11 66
12 72
13 73
14 85
15 205
16 333
17 430

List of values

[2, 6, 8, 9, 13, 15, 25, 36, 37, 63, 66, 72, 73, 85, 205, 333, 430]