A044092 Numbers n such that string 3,0 occurs in the base 5 representation of n but not of n-1.

15, 40, 65, 75, 90, 115, 140, 165, 190, 200, 215, 240, 265, 290, 315, 325, 340, 365, 375, 415, 440, 450, 465, 490, 515, 540, 565, 575, 590, 615, 640, 665, 690, 700, 715, 740, 765, 790, 815, 825, 840, 865, 890, 915, 940, 950, 965

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Mathematica

Flatten[Position[Partition[Table[If[MemberQ[Partition[ IntegerDigits[ n, 5], 2, 1], {3, 0}], 1, 0], {n, 1000}], 2, 1], {0, 1}]]+1 (* Harvey P. Dale, Jan 18 2015 *)

Crossrefs

Sequence in context: A369758 A325659 A223432 * A044473 A321491 A067724

Adjacent sequences: A044089 A044090 A044091 * A044093 A044094 A044095

Keyword

nonn,base

Author

Clark Kimberling

Status

approved