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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.

A117847 Numbers k such that A060256(k)*prime(k)# - 1 is a Sophie Germain prime, where prime(k)# is the k-th primorial.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 8
6 9
7 10
8 15
9 24
10 35
11 37
12 79
13 340

List of values

[1, 2, 3, 4, 8, 9, 10, 15, 24, 35, 37, 79, 340]

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

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