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.

A206445 Positions of 0 in A076478; complement of A206446.

Original entry on oeis.org

1, 3, 4, 5, 8, 11, 12, 13, 14, 15, 17, 19, 20, 24, 25, 27, 31, 35, 36, 37, 38, 39, 40, 41, 43, 44, 46, 47, 48, 51, 53, 54, 55, 57, 59, 62, 63, 68, 69, 70, 72, 73, 76, 78, 80, 85, 86, 89, 94, 99, 100, 101, 102, 103, 104, 105, 106, 107, 109, 110, 111, 113, 114
Offset: 1

Views

Author

Clark Kimberling, Feb 08 2012

Keywords

Examples

			The positions of 0 in 0,1,0,0,0,1,1,0,1,1,0,0,0,0,0,1,...
are 1,3,4,5,9,11,12,13,14,15,...
		

Crossrefs

Programs

  • Mathematica
    d[n_] := Rest@IntegerDigits[n + 1, 2] + 1;
    t = -1 + Flatten[Array[d, 100]]
    Flatten[Position[t, 0]]  (* A206445 *)
    Flatten[Position[t, 1]]  (* A206446 *)