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A039328
Numbers whose base-7 representation has the 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
OFFSET
1,1
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
KEYWORD
nonn,base,easy
STATUS
approved