Search: id:A004197
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%I A004197
%S A004197 0,0,0,0,1,0,0,1,1,0,0,1,2,1,0,0,1,2,2,1,0,0,1,2,3,2,1,0,0,1,2,3,3,2,1,
               0,
%T A004197 0,1,2,3,4,3,2,1,0,0,1,2,3,4,4,3,2,1,0,0,1,2,3,4,5,4,3,2,1,0,0,1,2,3,4,
               5,
%U A004197 5,4,3,2,1,0,0,1,2,3,4,5,6,5,4,3,2,1,0,0,1,2,3,4,5,6,6,5,4,3,2,1,0,0,1,
               2
%N A004197 Table of min(x,y), where (x,y) = (0,0),(0,1),(1,0),(0,2),(1,1),(2,0),
               ...
%C A004197 Row sums give A002620. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), 
               Jul 27 2005
%F A004197 G.f. xy/((1-x)(1-y)(1-xy)). - Frank Adams-Watters (FrankTAW(AT)Netscape.net), 
               Feb 06 2006
%e A004197 Top left corner of table:
%e A004197 0 0 0 0
%e A004197 0 1 1 1
%e A004197 0 1 2 2
%e A004197 0 1 2 3
%Y A004197 A003983(n) - 1.
%Y A004197 Sequence in context: A015339 A137867 A111143 this_sequence A048571 A025880 
               A058755
%Y A004197 Adjacent sequences: A004194 A004195 A004196 this_sequence A004198 A004199 
               A004200
%K A004197 tabl,nonn,nice
%O A004197 0,13
%A A004197 David W. Wilson (davidwwilson(AT)comcast.net)

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