A043580 Numbers whose base-2 representation has exactly 13 runs.

5461, 9557, 10581, 10837, 10901, 10917, 10921, 10923, 10925, 10933, 10965, 11093, 11605, 13653, 17749, 18773, 19029, 19093, 19109, 19113, 19115, 19117, 19125, 19157, 19285, 19797, 20821, 21077, 21141, 21157, 21161

Offset

1,1

Links

Table of n, a(n) for n=1..31.

Mathematica

Select[Range[22000], Length[Split[IntegerDigits[#, 2]]]==13&] (* Harvey P. Dale, May 04 2019 *)

Crossrefs

Sequence in context: A259514 A217255 A247715 * A104111 A028548 A069311

Adjacent sequences: A043577 A043578 A043579 * A043581 A043582 A043583

Keyword

nonn,base

Author

Clark Kimberling

Status

approved