A044063 Numbers n such that string 0,2 occurs in the base 4 representation of n but not of n-1.

18, 34, 50, 66, 72, 82, 98, 114, 130, 136, 146, 162, 178, 194, 200, 210, 226, 242, 258, 264, 274, 288, 306, 322, 328, 338, 354, 370, 386, 392, 402, 418, 434, 450, 456, 466, 482, 498, 514, 520, 530, 544, 562, 578, 584, 594, 610

Offset

1,1

Links

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

Mathematica

SequencePosition[Table[If[SequenceCount[IntegerDigits[n, 4], {0, 2}]>0, 1, 0], {n, 700}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jul 05 2019 *)

Crossrefs

Sequence in context: A190150 A347369 A357439 * A044444 A250770 A014640

Adjacent sequences: A044060 A044061 A044062 * A044064 A044065 A044066

Keyword

nonn,base

Author

Clark Kimberling

Status

approved