A043507 Numbers having three 4's in base 10.

444, 1444, 2444, 3444, 4044, 4144, 4244, 4344, 4404, 4414, 4424, 4434, 4440, 4441, 4442, 4443, 4445, 4446, 4447, 4448, 4449, 4454, 4464, 4474, 4484, 4494, 4544, 4644, 4744, 4844, 4944, 5444, 6444, 7444, 8444, 9444, 10444

Offset

1,1

Links

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Mathematica

Select[Range[11000], DigitCount[#, 10, 4]==3&] (* Harvey P. Dale, Aug 17 2020 *)

Crossrefs

Subsequence of A011534.

Sequence in context: A111496 A128675 A250075 * A233711 A251294 A233377

Adjacent sequences: A043504 A043505 A043506 * A043508 A043509 A043510

Keyword

nonn,base

Author

Clark Kimberling

Status

approved