%I A086017
%S A086017 0,0,0,1,0,0,0,1,0,0,0,0,0,1,1,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,1,1,0,1,0,
%T A086017 0,1,1,0,0,0,0,0,1,1,0,0,1,0,0,0,0,0,1,1,0,0,1,0,0,0,0,0,2,1,0,0,1,0,0,
%U A086017 1,0,0,1,0,0,0,2,0,0,0,0,0,1,0,0,1,1,0,1,0,0,0,1,0,1,1,2,1,1,0,0,0,1,0
%N A086017 Number of 9's in decimal expansion of n^2.
%Y A086017 Cf. 0's A086008, 1's A086009, 2's A086010, 3's A086011, 4's A086012, 
               5's A086013, 6's A086014, 7's A086015, 8's A086016.
%Y A086017 Sequence in context: A108730 A056973 A107782 this_sequence A000161 A060398 
               A122855
%Y A086017 Adjacent sequences: A086014 A086015 A086016 this_sequence A086018 A086019 
               A086020
%K A086017 base,nonn
%O A086017 0,64
%A A086017 Jason Earls (zevi_35711(AT)yahoo.com), Jul 07 2003