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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.

A099069 Numbers n such that n = prime(d_1*d_2*...*d_k) - phi(d_1 + d_2 + ... + d_k) where d_1 d_2 ... d_k is the decimal expansion of n.

Table of values

n a(n)
1 1
2 2
3 3
4 19
5 35497

List of values

[1, 2, 3, 19, 35497]

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

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