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.

A055960 n + reversal of base 11 digits of n (written in base 10).

Original entry on oeis.org

0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 12, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 24, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 36, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 48, 60, 72, 84, 96, 108, 120, 132, 144, 156, 168, 60, 72, 84, 96, 108, 120, 132, 144
Offset: 0

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Author

Henry Bottomley, Jul 18 2000

Keywords

Comments

If n has an even number of digits in base 11 then a(n) is a multiple of 12.

Crossrefs

Programs

  • Mathematica
    Table[n+IntegerReverse[n,11],{n,0,70}] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Aug 30 2016 *)

Formula

a(n) = n + A056960(n).