A039468 - OEIS

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A039468

Numbers whose base-11 representation has the same nonzero number of 3's and 7's.

40, 80, 161, 201, 282, 322, 370, 381, 392, 414, 425, 436, 440, 441, 442, 444, 445, 446, 448, 449, 450, 458, 469, 480, 524, 564, 645, 685, 766, 806, 850, 861, 872, 880, 881, 882, 884, 885, 886, 888, 889, 890, 894, 905, 916, 938, 949, 960, 1008, 1048

(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[#, 11, 3]==DigitCount[#, 11, 7]>0&] (* Harvey P. Dale, Jul 18 2011 *)

CROSSREFS

Sequence in context: A253699 A037975 A317095 * A181458 A069070 A174052

Adjacent sequences: A039465 A039466 A039467 * A039469 A039470 A039471

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved