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Table of n, a(n) for n=1..67.
Select[Range, DigitCount[#, 7, 0]==DigitCount[#, 7, 5]&] Harvey P. Dale, May 17 2012
Sequence in context: A075449 A005458 A184899 * A047302 A121217 A255582
Adjacent sequences: A039031 A039032 A039033 * A039035 A039036 A039037