A044638 Numbers n such that string 0,6 occurs in the base 9 representation of n but not of n+1.

87, 168, 249, 330, 411, 492, 573, 654, 735, 791, 816, 897, 978, 1059, 1140, 1221, 1302, 1383, 1464, 1520, 1545, 1626, 1707, 1788, 1869, 1950, 2031, 2112, 2193, 2249, 2274, 2355, 2436, 2517, 2598, 2679, 2760, 2841, 2922

Offset

1,1

Links

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

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 9], {0, 6}]>0, 1, 0], {n, 3000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 14 2018 *)

Crossrefs

Sequence in context: A031891 A147140 A044257 * A324111 A044419 A044800

Adjacent sequences: A044635 A044636 A044637 * A044639 A044640 A044641

Keyword

nonn,base

Author

Clark Kimberling

Status

approved