%I A031273
%S A031273 3,7,9,18,23,28,29,44,49,54,62,64,72,74,89,90,100,104,105,112,
%T A031273 113,117,127,133,138,140,147,166,168,175,180,181,184,186,187,
%U A031273 191,195,209,216,220,228,229,242,246,249,253,256,272,276,277
%N A031273 Position of n-th 3 in A031269.
%Y A031273 Sequence in context: A036978 A079464 A036976 this_sequence A140118 A110674 
               A003528
%Y A031273 Adjacent sequences: A031270 A031271 A031272 this_sequence A031274 A031275 
               A031276
%K A031273 nonn
%O A031273 1,1
%A A031273 Clark Kimberling (ck6(AT)evansville.edu)