OFFSET
1,3
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
MATHEMATICA
Select[Range[0, 200], DigitCount[#, 7, 4]==DigitCount[#, 7, 5]&] (* Harvey P. Dale, Mar 22 2011 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved