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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A043035 Base-9 palindromes that start with 8.

Original entry on oeis.org

8, 80, 656, 665, 674, 683, 692, 701, 710, 719, 728, 5840, 5930, 6020, 6110, 6200, 6290, 6380, 6470, 6560, 52496, 52577, 52658, 52739, 52820, 52901, 52982, 53063, 53144, 53234, 53315, 53396, 53477, 53558, 53639, 53720
Offset: 1

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Crossrefs

Base-9 palindromes: A029955.
Base-9 palindromes that start with d, for d=1..8: A043028..A043035.
Base-b palindromes that start with 8, for b=9,10: this sequence, A043043.

Programs

  • Mathematica
    b9dQ[n_]:=Module[{idn=IntegerDigits[n,9]},idn==Reverse[idn]&&idn[[1]] == 8]; Select[Range[60000],b9dQ] (* Harvey P. Dale, Sep 03 2016 *)
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