Search: id:A114359
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%I A114359
%S A114359 1,843,3827,7252,10684,14116,17548,20980,24412,27844,31276,34708,38140,
%T A114359 41572,45004,48436,51868,55300,58732,62164,65596,69028,72460,75892,
%U A114359 79324,82756,86188,89620,93052,96484,99916,103348,106780,110212,113644
%N A114359 Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n then a(n) 
               is the trace of M(n)^(-7).
%C A114359 More generally for any n>=floor((m+1)/2) the trace of M(n)^(-m) = binomial(2*m,
               m)*n-2^(2*m-1)+binomial(2*m-1,m)
%F A114359 a(1)=1 a(2)=843 a(3)=3827 then for n>=4 a(n)=3432n-6476
%Y A114359 Sequence in context: A004969 A031707 A158403 this_sequence A038013 A078144 
               A071320
%Y A114359 Adjacent sequences: A114356 A114357 A114358 this_sequence A114360 A114361 
               A114362
%K A114359 nonn
%O A114359 1,2
%A A114359 Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 09 2006

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