A043872 - OEIS

A043872

Numbers n such that number of runs in the base 4 representation of n is congruent to 5 mod 10.

273, 274, 275, 280, 281, 283, 284, 285, 286, 289, 290, 291, 292, 294, 295, 300, 301, 302, 305, 306, 307, 308, 310, 311, 312, 313, 315, 388, 390, 391, 392, 393, 395, 396, 397, 398, 401, 402, 403, 408, 409, 411, 412, 413, 414

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OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[500], Mod[Length[Split[IntegerDigits[#, 4]]], 10]==5&] (* Harvey P. Dale, Apr 28 2017 *)

CROSSREFS

Sequence in context: A043848 A043855 A043863 * A043586 A043785 A043797

Adjacent sequences: A043869 A043870 A043871 * A043873 A043874 A043875

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved