A039312 Numbers whose base-7 representation has the same nonzero number of 0's and 5's.

35, 54, 84, 103, 133, 152, 182, 201, 231, 246, 247, 248, 249, 251, 252, 259, 266, 273, 287, 299, 329, 355, 362, 369, 376, 379, 380, 381, 382, 384, 390, 397, 427, 446, 476, 495, 525, 544, 574, 589, 590, 591, 592, 594, 595, 602, 609, 616, 630, 642, 672, 698

Offset

1,1

Links

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

Mathematica

Select[Range[750], DigitCount[#, 7, 0]==DigitCount[#, 7, 5]>0&] (* Harvey P. Dale, Jun 24 2011 *)

Crossrefs

Cf. A007093.

Sequence in context: A043241 A044021 A043135 * A043915 A359448 A355812

Adjacent sequences: A039309 A039310 A039311 * A039313 A039314 A039315

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved