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 A039147 Numbers whose base-10 representation has the same number of 5's and 7's. 0
 0, 1, 2, 3, 4, 6, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 21, 22, 23, 24, 26, 28, 29, 30, 31, 32, 33, 34, 36, 38, 39, 40, 41, 42, 43, 44, 46, 48, 49, 57, 60, 61, 62, 63, 64, 66, 68, 69, 75, 80, 81, 82, 83, 84, 86, 88, 89, 90, 91, 92, 93, 94, 96, 98, 99, 100, 101, 102 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS Table of n, a(n) for n=1..69. MATHEMATICA Select[Range[0, 110], DigitCount[#, 10, 5]==DigitCount[#, 10, 7]&] (* Harvey P. Dale, Jul 26 2011 *) CROSSREFS Sequence in context: A151988 A039255 A039196 * A039107 A317544 A047420 Adjacent sequences: A039144 A039145 A039146 * A039148 A039149 A039150 KEYWORD nonn,base,easy AUTHOR Olivier Gérard STATUS approved

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Last modified June 14 04:14 EDT 2024. Contains 373393 sequences. (Running on oeis4.)