Search: id:A143167
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%I A143167
%S A143167 1,9,111,1785,35595,848925,23586255,748471185,26715409875,1059544210725,
%T A143167 46230843633975,2201008238854425,113546715232225275,6309834090304870125,
%U A143167 375777507964741257375,23876826206710426574625,1612323634555365676819875
%N A143167 Second column of triangle A000369: |S2(-3;n+2,2)|.
%F A143167 a(n)=A000369(n+2,2)=|S2(-3;n+2,2)|, n>=0.
%F A143167 E.g.f.: diff(((1-(1-4*x)^(1/4))^2)/2!,x$2)= (3 - 2*(1-4*x)^(1/4))/(1-4*x)^(7/
               4).
%Y A143167 First column of A000369 is A008545, third one is A143168.
%Y A143167 Sequence in context: A053904 A058607 A082723 this_sequence A156949 A155624 
               A165224
%Y A143167 Adjacent sequences: A143164 A143165 A143166 this_sequence A143168 A143169 
               A143170
%K A143167 nonn,easy
%O A143167 0,2
%A A143167 Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Sep 15 2008

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