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.

A088783 Numbers n such that 10*n^k + 1 is composite for all k > 0.

Table of values

n a(n)
1 12
2 23
3 32
4 34
5 45
6 56
7 65
8 67
9 78
10 89
11 98
12 100
13 111
14 122
15 131
16 133
17 144
18 155
19 164
20 166
21 177

List of values

[12, 23, 32, 34, 45, 56, 65, 67, 78, 89, 98, 100, 111, 122, 131, 133, 144, 155, 164, 166, 177]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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