A043382 Numbers having two 3's in base 6.

21, 57, 93, 111, 117, 123, 126, 127, 128, 130, 131, 135, 141, 165, 201, 237, 273, 309, 327, 333, 339, 342, 343, 344, 346, 347, 351, 357, 381, 417, 453, 489, 525, 543, 549, 555, 558, 559, 560, 562, 563, 567, 573, 597, 633, 651

Offset

1,1

Links

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

Mathematica

Select[Range[700], DigitCount[#, 6, 3]==2&] (* Harvey P. Dale, Jan 10 2025 *)

Crossrefs

Cf. A007092.

Sequence in context: A146560 A174969 A176069 * A044123 A044504 A118057

Adjacent sequences: A043379 A043380 A043381 * A043383 A043384 A043385

Keyword

nonn,base

Author

Clark Kimberling

Status

approved