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A039388 Numbers n such that representation in base 9 has same nonzero number of 5's and 7's. 0
52, 68, 133, 149, 214, 230, 295, 311, 376, 392, 412, 421, 430, 439, 448, 466, 468, 469, 470, 471, 472, 474, 476, 484, 538, 554, 572, 581, 590, 599, 608, 612, 613, 614, 615, 616, 618, 620, 626, 644, 700, 716, 781, 797, 862, 878, 943, 959, 1024, 1040 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..50.

MATHEMATICA

Select[Range[1100], DigitCount[#, 9, 5]==DigitCount[#, 9, 7]>0&] (* Harvey P. Dale, Oct 09 2011 *)

CROSSREFS

Sequence in context: A045178 A124471 A107933 * A043211 A043991 A118148

Adjacent sequences:  A039385 A039386 A039387 * A039389 A039390 A039391

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified April 20 06:19 EDT 2019. Contains 322294 sequences. (Running on oeis4.)