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.

A037413 Positive numbers having the same set of digits in base 2 and base 8.

Original entry on oeis.org

1, 8, 64, 65, 72, 512, 513, 520, 521, 576, 577, 584, 4096, 4097, 4104, 4105, 4160, 4161, 4168, 4169, 4608, 4609, 4616, 4617, 4672, 4673, 4680, 32768, 32769, 32776, 32777, 32832, 32833, 32840, 32841, 33280, 33281, 33288, 33289, 33344, 33345, 33352
Offset: 1

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Keywords

Crossrefs

Subsequence of A033045.

Programs

  • PARI
    isok(n) = Set(digits(n, 2)) == Set(digits(n, 8)); \\ John Cerkan, Jan 13 2017

Extensions

a(28)-a(42) from John Cerkan, Jan 13 2017
Name edited by John Cerkan, Jan 14 2017