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A039033
Numbers whose base-7 representation has the same number of 0's and 4's.
1
1, 2, 3, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 19, 20, 22, 23, 24, 26, 27, 28, 36, 37, 38, 40, 41, 43, 44, 45, 47, 48, 53, 57, 58, 59, 61, 62, 64, 65, 66, 68, 69, 71, 72, 73, 75, 76, 77, 85, 86, 87, 89, 90, 92, 93, 94, 96, 97, 102, 106, 107, 108, 110, 111, 113, 114, 115
OFFSET
1,2
LINKS
MATHEMATICA
Select[Range[200], DigitCount[#, 7, 0]==DigitCount[#, 7, 4]&] (* Harvey P. Dale, Jul 31 2014 *)
CROSSREFS
Cf. A007093.
Sequence in context: A032953 A270813 A247431 * A047333 A032796 A087057
KEYWORD
nonn,base,easy
STATUS
approved