A039541 - OEIS

A039541

Numbers whose base-12 representation has the same nonzero number of 5's and 9's.

69, 113, 213, 257, 357, 401, 501, 545, 645, 689, 729, 741, 753, 765, 777, 801, 813, 825, 828, 829, 830, 831, 832, 834, 835, 836, 838, 839, 849, 861, 933, 977, 1077, 1121, 1221, 1265, 1301, 1313, 1325, 1337, 1349, 1356, 1357, 1358, 1359, 1360

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..46.

MATHEMATICA

Select[Range[1500], DigitCount[#, 12, 5]==DigitCount[#, 12, 9]>0&] (* Harvey P. Dale, Feb 01 2019 *)

CROSSREFS

Sequence in context: A227271 A004237 A004238 * A363905 A044192 A044573

Adjacent sequences: A039538 A039539 A039540 * A039542 A039543 A039544

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved