A039531 - OEIS

A039531

Numbers whose base-12 representation has the same nonzero number of 4's and 5's.

53, 64, 197, 208, 341, 352, 485, 496, 581, 593, 605, 617, 636, 637, 638, 639, 642, 643, 644, 645, 646, 647, 653, 665, 677, 689, 701, 713, 724, 736, 748, 760, 768, 769, 770, 771, 774, 775, 776, 777, 778, 779, 796, 808, 820, 832, 844, 856, 917, 928, 1061

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..51.

MATHEMATICA

Select[Range[1200], DigitCount[#, 12, 4]==DigitCount[#, 12, 5]>0&] (* Harvey P. Dale, Nov 11 2014 *)

CROSSREFS

Sequence in context: A326169 A097415 A061946 * A369101 A115936 A182571

Adjacent sequences: A039528 A039529 A039530 * A039532 A039533 A039534

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved