Search: id:A115192
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%I A115192
%S A115192 1,1093,22417,333244,4380151,54231244,649940212,7643456248,88872211096,
%T A115192 1026178892443,11798983030675,135327222190240,1550024200441495,
%U A115192 17743256268685240,203091320580519760,2325213813771735940
%N A115192 Sixth diagonal (M=6) of triangle A115154 (called Y(3,1)).
%F A115192 a(n)= A115154(n+5,n+1), n>=0.
%F A115192 G.f.: ((-3+36*x-81*x^2+ 2*x^5) + 3*(1-15*x+54*x^2-27*x^3)*c(3*x))/((2+x)*x^5), 
               with the o.g.f. c(x) of A000108 (Catalan).
%Y A115192 Sequence in context: A038469 A077816 A001220 this_sequence A091674 A022197 
               A124122
%Y A115192 Adjacent sequences: A115189 A115190 A115191 this_sequence A115193 A115194 
               A115195
%K A115192 nonn,easy
%O A115192 0,2
%A A115192 Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), 
               Feb 23 2006

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