A044992 Numbers whose base-3 representation contains no 0's and exactly three 2's.

26, 53, 71, 77, 79, 134, 152, 158, 160, 206, 212, 214, 230, 232, 238, 377, 395, 401, 403, 449, 455, 457, 473, 475, 481, 611, 617, 619, 635, 637, 643, 689, 691, 697, 715, 1106, 1124, 1130, 1132, 1178, 1184, 1186, 1202, 1204, 1210

Offset

1,1

Links

Paolo Xausa, Table of n, a(n) for n = 1..1000

Mathematica

A044992list[upto_]:=Select[Range[upto], DigitCount[#, 3, 0]==0&&DigitCount[#, 3, 2]==3&]; A044992list[2000] (* Paolo Xausa, Aug 02 2023 *)

Crossrefs

Cf. A007089.

Sequence in context: A043331 A023701 A031459 * A042338 A042336 A042334

Adjacent sequences: A044989 A044990 A044991 * A044993 A044994 A044995

Keyword

nonn,base

Author

Clark Kimberling

Status

approved