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A039042
Numbers whose base-7 representation has the same number of 2's and 5's.
1
0, 1, 3, 4, 6, 7, 8, 10, 11, 13, 19, 21, 22, 24, 25, 27, 28, 29, 31, 32, 34, 37, 42, 43, 45, 46, 48, 49, 50, 52, 53, 55, 56, 57, 59, 60, 62, 68, 70, 71, 73, 74, 76, 77, 78, 80, 81, 83, 86, 91, 92, 94, 95, 97, 103, 110, 124, 131, 133, 134, 136, 137, 139, 145, 147, 148
OFFSET
1,3
LINKS
MATHEMATICA
Select[Range[0, 200], DigitCount[#, 7, 2]==DigitCount[#, 7, 5]&] (* Harvey P. Dale, Dec 19 2016 *)
CROSSREFS
Sequence in context: A184578 A022846 A083922 * A007378 A274829 A087758
KEYWORD
nonn,base,easy
STATUS
approved