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.

A285095 Corresponding values of arithmetic means of digits of primes from A069709.

Original entry on oeis.org

2, 3, 5, 7, 1, 2, 4, 5, 2, 5, 4, 7, 4, 5, 8, 8, 1, 2, 4, 4, 2, 1, 2, 4, 5, 4, 4, 4, 5, 2, 5, 2, 4, 4, 4, 5, 4, 5, 4, 4, 4, 5, 7, 1, 5, 2, 2, 4, 4, 5, 4, 4, 2, 4, 5, 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4, 5, 4, 5, 5, 5, 1, 2, 2, 4, 4, 5, 2, 2, 4, 4, 5, 4, 4, 5, 4, 5
Offset: 1

Views

Author

Jaroslav Krizek, Apr 16 2017

Keywords

Crossrefs

Cf. A069709 (primes with integer arithmetic mean of digits in base 10).
Sequences of primes such that a(n) = k for k = 1, 2, 4, 5, 7 and 8: A069710 (k = 1), A285096 (k = 2), A285225 (k = 4), A285226 (k = 5), A285227 (k = 7), A285228 (k = 8).

Programs

  • Magma
    [&+Intseq(n) / #Intseq(n): n in [1..100000] | IsPrime(n) and &+Intseq(n) mod #Intseq(n) eq 0];