A044456 Numbers n such that string 3,2 occurs in the base 4 representation of n but not of n+1.

14, 30, 46, 59, 62, 78, 94, 110, 123, 126, 142, 158, 174, 187, 190, 206, 222, 239, 251, 254, 270, 286, 302, 315, 318, 334, 350, 366, 379, 382, 398, 414, 430, 443, 446, 462, 478, 495, 507, 510, 526, 542, 558, 571, 574, 590, 606

Offset

1,1

Links

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

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 4], {3, 2}]>0, 1, 0], {n, 700}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Dec 08 2017 *)

Crossrefs

Sequence in context: A063311 A055039 A044075 * A132759 A011257 A083540

Adjacent sequences: A044453 A044454 A044455 * A044457 A044458 A044459

Keyword

nonn,base

Author

Clark Kimberling

Status

approved