A044257 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, 783, 816, 897, 978, 1059, 1140, 1221, 1302, 1383, 1464, 1512, 1545, 1626, 1707, 1788, 1869, 1950, 2031, 2112, 2193, 2241, 2274, 2355, 2436, 2517, 2598, 2679, 2760, 2841, 2922

Offset

1,1

Links

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

Mathematica

Flatten[Position[Partition[Table[If[MemberQ[Partition[ IntegerDigits[ n, 9], 2, 1], {0, 6}], 1, 0], {n, 3000}], 2, 1], {0, 1}]]+1 (* Harvey P. Dale, Feb 03 2015 *)

Crossrefs

Sequence in context: A363281 A031891 A147140 * A044638 A324111 A044419

Adjacent sequences: A044254 A044255 A044256 * A044258 A044259 A044260

Keyword

nonn,base

Author

Clark Kimberling

Status

approved