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.

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A365610 Least prime in which the frequency of every digit is n, or -1 if no such number exists.

Original entry on oeis.org

2, 11, -1, 10010101, 1000011011, -1, 10000101011101, 1000000010111111, -1, 10000000011111011101, 1000000000101101111111, -1, 10000000000001111011111111, 1000000000000111111101110111, -1, 10000000000000011101111111011111, 1000000000000000010111111111111111, -1
Offset: 1

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Author

Jean-Marc Rebert, Sep 12 2023

Keywords

Comments

a(n) = -1 <=> n mod 3 = 0.

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