A039328 - OEIS

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A039328

Numbers whose base-7 representation has the same nonzero number of 5's and 6's.

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; text; internal format)

OFFSET

1,1

LINKS

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

MATHEMATICA

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

CROSSREFS

Cf. A007093.

Sequence in context: A329446 A243460 A186280 * A043151 A043931 A139219

Adjacent sequences: A039325 A039326 A039327 * A039329 A039330 A039331

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved