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.

A097260 Numbers whose set of base 14 digits is {0,D}, where D base 14 = 13 base 10.

Original entry on oeis.org

0, 13, 182, 195, 2548, 2561, 2730, 2743, 35672, 35685, 35854, 35867, 38220, 38233, 38402, 38415, 499408, 499421, 499590, 499603, 501956, 501969, 502138, 502151, 535080, 535093, 535262, 535275, 537628, 537641, 537810, 537823, 6991712
Offset: 1

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Author

Ray Chandler, Aug 03 2004

Keywords

Comments

n such that there exists a permutation p_1, ..., p_n of 1, ..., n such that i + p_i is a power of 14 for every i.

Crossrefs

Programs

  • Mathematica
    FromDigits[#,14]&/@Tuples[{0,13},6] (* Harvey P. Dale, Sep 22 2011 *)

Formula

a(n) = 13*A033050(n).
a(2n) = 14*a(n), a(2n+1) = a(2n)+13.