A044789 Numbers n such that string 7,6 occurs in the base 10 representation of n but not of n+1.

76, 176, 276, 376, 476, 576, 676, 769, 776, 876, 976, 1076, 1176, 1276, 1376, 1476, 1576, 1676, 1769, 1776, 1876, 1976, 2076, 2176, 2276, 2376, 2476, 2576, 2676, 2769, 2776, 2876, 2976, 3076, 3176, 3276, 3376, 3476, 3576

Offset

1,1

Links

Table of n, a(n) for n=1..39.

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {7, 6}]>0, 1, 0], {n, 4000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 28 2020 *)

Crossrefs

Sequence in context: A099944 A329542 A044408 * A245005 A138855 A324632

Adjacent sequences: A044786 A044787 A044788 * A044790 A044791 A044792

Keyword

nonn,base

Author

Clark Kimberling

Status

approved