A039344 Numbers whose base-8 representation has the same nonzero number of 2's and 5's.

21, 42, 85, 106, 133, 141, 157, 165, 168, 169, 171, 172, 174, 175, 181, 189, 213, 234, 277, 298, 322, 330, 336, 337, 339, 340, 342, 343, 346, 354, 370, 378, 405, 426, 469, 490, 533, 554, 597, 618, 645, 653, 669, 677, 680, 681, 683, 684, 686, 687, 693, 701

Offset

1,1

Links

Table of n, a(n) for n=1..52.

Mathematica

Select[Range[1000], DigitCount[#, 8, 2]==DigitCount[#, 8, 5]>0&] (* Harvey P. Dale, Oct 25 2015 *)

Crossrefs

Cf. A007094.

Sequence in context: A355406 A078440 A175805 * A043167 A043947 A335477

Adjacent sequences: A039341 A039342 A039343 * A039345 A039346 A039347

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved