A039472 Numbers whose base-11 representation has the same nonzero number of 4's and 5's.

49, 59, 170, 180, 291, 301, 412, 422, 489, 500, 511, 522, 539, 540, 541, 542, 545, 546, 547, 548, 549, 555, 566, 577, 588, 599, 609, 620, 631, 642, 649, 650, 651, 652, 655, 656, 657, 658, 659, 675, 686, 697, 708, 719, 775, 785, 896, 906, 1017, 1027

Offset

1,1

Links

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

Mathematica

Select[Range[1100], DigitCount[#, 11, 4]==DigitCount[#, 11, 5]>0&] (* Harvey P. Dale, May 10 2014 *)

Crossrefs

Sequence in context: A143164 A304950 A316618 * A135145 A111327 A184033

Adjacent sequences: A039469 A039470 A039471 * A039473 A039474 A039475

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved