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A039049
Numbers whose base-7 representation has the same number of 5's and 6's.
0
0, 1, 2, 3, 4, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 21, 22, 23, 24, 25, 28, 29, 30, 31, 32, 41, 47, 49, 50, 51, 52, 53, 56, 57, 58, 59, 60, 63, 64, 65, 66, 67, 70, 71, 72, 73, 74, 77, 78, 79, 80, 81, 90, 96, 98, 99, 100, 101, 102, 105, 106, 107, 108, 109, 112, 113, 114
OFFSET
1,3
MATHEMATICA
Select[Range[0, 200], DigitCount[#, 7, 5]==DigitCount[#, 7, 6]&] (* Harvey P. Dale, Aug 21 2016 *)
CROSSREFS
Sequence in context: A326966 A326784 A047337 * A037466 A285405 A305441
KEYWORD
nonn,base,easy
STATUS
approved