Search: id:A144272
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%I A144272
%S A144272 1,1,4,18,129,1095,11880,149940,2218545,37147005,699281100,14561835750,
%T A144272 332913128625,8280095098275,222659485448400,6434896997529000,198909798356894625,
%U A144272 6547761582390653625,228681849947367316500,8445341134525197152250,328822530412023653630625
%N A144272 Second column (m=2) of triangle S2hat(-1) = A144270.
%F A144272 a(n)=A144270(n+2,2), n>=0.
%Y A144272 A001147 (column m=1), A144273 (column m=3).
%Y A144272 Sequence in context: A108704 A001423 A158341 this_sequence A034517 A065857 
               A156445
%Y A144272 Adjacent sequences: A144269 A144270 A144271 this_sequence A144273 A144274 
               A144275
%K A144272 nonn,easy
%O A144272 0,3
%A A144272 Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de) Oct 09 2008

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