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A031457 n-th number k which in base 3 has one fewer 0's than 2's. 0
2, 5, 7, 14, 16, 20, 22, 24, 35, 41, 43, 47, 49, 51, 59, 61, 65, 67, 69, 73, 75, 98, 104, 106, 116, 122, 124, 128, 130, 132, 140, 142, 146, 148, 150, 154, 156, 170, 176, 178, 182, 184, 186, 194, 196, 200, 202, 204, 208, 210, 218, 220 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..52.

MATHEMATICA

Select[Range[250], DigitCount[#, 3, 0]==DigitCount[#, 3, 2]-1&] (* Harvey P. Dale, Jun 29 2017 *)

CROSSREFS

Sequence in context: A193718 A007438 A230301 * A044990 A266259 A133146

Adjacent sequences:  A031454 A031455 A031456 * A031458 A031459 A031460

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 5 15:23 EDT 2020. Contains 333245 sequences. (Running on oeis4.)