A039518 - OEIS

A039518

Numbers whose base-12 representation has the same nonzero number of 2's and 7's.

31, 86, 175, 230, 295, 307, 331, 343, 355, 367, 372, 373, 375, 376, 377, 378, 380, 381, 382, 383, 391, 403, 415, 427, 463, 518, 607, 662, 751, 806, 895, 950, 1010, 1022, 1032, 1033, 1035, 1036, 1037, 1038, 1040, 1041, 1042, 1043, 1046, 1058

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OFFSET

1,1

LINKS

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

MATHEMATICA

Select[Range[1200], DigitCount[#, 12, 2]==DigitCount[#, 12, 7]>0&] (* Harvey P. Dale, Mar 21 2013 *)

CROSSREFS

Sequence in context: A142522 A005184 A096731 * A179113 A142715 A093758

Adjacent sequences: A039515 A039516 A039517 * A039519 A039520 A039521

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved