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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.

A099497 Numbers k such that A007925(k) = k^(k+1) - (k+1)^k is a semiprime.

Table of values

n a(n)
1 5
2 7
3 8
4 11
5 17
6 18
7 21
8 23
9 25
10 27
11 32
12 47
13 51
14 56
15 59
16 165

List of values

[5, 7, 8, 11, 17, 18, 21, 23, 25, 27, 32, 47, 51, 56, 59, 165]

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

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