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.

A194079 Number of digits of A014980(n) in decimal representation.

Original entry on oeis.org

1, 1, 1, 2, 3, 4, 7, 12, 23, 46, 91, 180, 359, 717, 1433, 2864, 5727, 11453, 22905, 45809, 91616, 183232, 366463, 732924, 1465847, 2931694, 5863386, 11726772, 23453543, 46907084
Offset: 0

Views

Author

Reinhard Zumkeller, Oct 12 2011

Keywords

Comments

a(n) = A055642(A014980(n)).

Programs

  • Mathematica
    IntegerLength/@NestList[Floor[#/2]Ceiling[#/2]&,5,30] (* Harvey P. Dale, Sep 01 2016 *)