%I A008553
%S A008553 20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,
%T A008553 42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
%U A008553 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85
%N A008553 Numbers that contain the letter `y'.
%H A008553 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               NonRecursions.html">Non Recursions</a>
%Y A008553 Sequence in context: A091235 A078286 A004461 this_sequence A007930 A133895 
               A138602
%Y A008553 Adjacent sequences: A008550 A008551 A008552 this_sequence A008554 A008555 
               A008556
%K A008553 nonn,word
%O A008553 1,1
%A A008553 N. J. A. Sloane (njas(AT)research.att.com).