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A039328 Numbers n such that representation in base 7 has same nonzero number of 5's and 6's. 0
41, 47, 90, 96, 139, 145, 188, 194, 237, 243, 251, 258, 265, 272, 279, 287, 288, 289, 290, 291, 299, 306, 313, 320, 327, 329, 330, 331, 332, 333, 384, 390, 433, 439, 482, 488, 531, 537, 580, 586, 594, 601, 608, 615, 622, 630, 631, 632, 633, 634, 642, 649 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Select[Range[750], DigitCount[#, 7, 5]==DigitCount[#, 7, 6]>0&]  (* From Harvey P. Dale, Mar 31 2011 *)

CROSSREFS

Sequence in context: A136294 A180547 A186280 * A043151 A043931 A139219

Adjacent sequences:  A039325 A039326 A039327 * A039329 A039330 A039331

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 14 17:27 EST 2012. Contains 205644 sequences.