Search: id:A087448
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%I A087448
%S A087448 1,2,7,26,93,322,1091,3642,12025,39362,127935,413338,1328597,4251522,
%T A087448 13551739,43046714,136314609,430467202,1355971703,4261625370,
%U A087448 13366006861,41841412802,130754415027,407953774906,1270932914153
%N A087448 3^(n-1)(n+3)/2-(n-1)/2.
%C A087448 Binomial transform of A087447. Second binomial transform of 1,0,3,0,5,
               0,7,... (A005408).
%Y A087448 Sequence in context: A000697 A027417 A134063 this_sequence A129273 A055988 
               A001075
%Y A087448 Adjacent sequences: A087445 A087446 A087447 this_sequence A087449 A087450 
               A087451
%K A087448 easy,nonn
%O A087448 0,2
%A A087448 Paul Barry (pbarry(AT)wit.ie), Sep 05 2003

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