%I A114361
%S A114361 1,5778,40169,87727,136338,184958,233578,282198,330818,379438,428058,
%T A114361 476678,525298,573918,622538,671158,719778,768398,817018,865638,914258,
%U A114361 962878,1011498,1060118,1108738,1157358,1205978,1254598,1303218,1351838
%N A114361 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)^(-9).
%C A114361 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 A114361 a(1)=1 a(2)=5778 a(3)=40169 a(4)=87727 then for n>=5 a(n)= 48620n-106762
%Y A114361 Sequence in context: A031574 A004953 A004973 this_sequence A098476 A164649 
               A104284
%Y A114361 Adjacent sequences: A114358 A114359 A114360 this_sequence A114362 A114363 
               A114364
%K A114361 nonn
%O A114361 1,2
%A A114361 Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 09 2006