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.

A156331 a(n)=8*A154811(n).

Original entry on oeis.org

8, 16, 40, 32, 56, 64, 64, 56, 32, 40, 16, 8, 8, 16, 40, 32, 56, 64, 64, 56, 32, 40, 16, 8, 8, 16, 40, 32, 56, 64, 64, 56, 32, 40, 16, 8, 8, 16, 40, 32, 56, 64, 64, 56, 32, 40, 16, 8, 8, 16, 40, 32, 56, 64, 64, 56, 32, 40, 16, 8, 8, 16, 40, 32, 56, 64, 64, 56, 32, 40, 16, 8, 8, 16, 40
Offset: 0

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Author

Paul Curtz, Feb 08 2009

Keywords

Programs

  • Mathematica
    8*Mod[Fibonacci[Range[1,151,2]],9] (* or *) PadRight[{},80,{8,16,40,32,56,64,64,56,32,40,16,8}] (* Harvey P. Dale, Jul 10 2018 *)

Formula

Period length 12: a(n)=a(n-12).
a(n) = A154811(n+6) = A155110(n) (mod 9).

Extensions

Edited and extended by R. J. Mathar, Apr 10 2009