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A044872 Positive integers having the same number of base-16 runs of odd length as even. 1
256, 272, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 290, 307, 324, 341, 358, 375, 392, 409, 426, 443, 460, 477, 494, 511, 512, 529, 544, 545, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1180

MATHEMATICA

b16rQ[n_]:=Module[{r=Length/@Split[IntegerDigits[n, 16]]}, Count[r, _?OddQ]==Length[r]/2]; Select[Range[9000], b16rQ] (* Vincenzo Librandi, Jan 18 2018 *)

CROSSREFS

Sequence in context: A248776 A223600 A217848 * A044979 A186473 A046309

Adjacent sequences:  A044869 A044870 A044871 * A044873 A044874 A044875

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified June 14 05:10 EDT 2021. Contains 345018 sequences. (Running on oeis4.)