A044988 Numbers whose base-3 representation contains exactly four 0's and three 1's.

733, 739, 741, 757, 759, 765, 811, 813, 819, 837, 973, 975, 981, 999, 1053, 2201, 2203, 2209, 2219, 2221, 2225, 2229, 2233, 2235, 2245, 2251, 2253, 2273, 2275, 2279, 2283, 2287, 2289, 2297, 2301, 2313, 2323, 2325, 2331

Offset

1,1

Links

Paolo Xausa, Table of n, a(n) for n = 1..10000

Mathematica

A044988list[upto_]:=Select[Range[upto], DigitCount[#, 3, 0]==4&&DigitCount[#, 3, 1]==3&]; A044988list[2500] (* Paolo Xausa, Aug 02 2023 *)

Crossrefs

Cf. A007089.

Sequence in context: A289571 A098291 A255798 * A288882 A178093 A143726

Adjacent sequences: A044985 A044986 A044987 * A044989 A044990 A044991

Keyword

nonn,base

Author

Clark Kimberling

Status

approved