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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.

A100465 Let p(1)=2, p(2)=3, p(3)=5, ... denote the primes and let E(n) = 1 + p(1) * p(2) * ... * p(n). Sequence gives primes p such that p(n+2) | E(n).

Table of values

n a(n)
1 7
2 271
3 307
4 673

List of values

[7, 271, 307, 673]

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

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