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.

A270817 Integers k such that (2^k - 1) + (3^k - 1) + (5^k - 1) is prime.

Table of values

n a(n)
1 1
2 3
3 4
4 9
5 11
6 69
7 117
8 449
9 675
10 1119
11 1959
12 2687
13 2859
14 8001
15 8175
16 24269
17 110247

List of values

[1, 3, 4, 9, 11, 69, 117, 449, 675, 1119, 1959, 2687, 2859, 8001, 8175, 24269, 110247]