%I A064484
%S A064484 2,2,4,4,8,12,4,32,36,48,8,64,216,192,240,8,208,648,1536,1200,1440,16,
%T A064484 416,3024,6144,12000,8640,10080,16,1280,9072,37632,60000,103680,70560,
%U A064484 80640,32,2560,38880
%N A064484 Triangle T(n,k), n >= 2,n+1<=k<=2*n-1, number of permutations p of 1,
               ...,n, with max(p(i)+p(i-1),i=2..n)=k.
%C A064484 T(n,n-1)=A052849 sum(T(n,k),k=1..n-1)=A000142
%Y A064484 A052849, A000142.
%Y A064484 Sequence in context: A000011 A022476 A000013 this_sequence A063776 A118406 
               A072488
%Y A064484 Adjacent sequences: A064481 A064482 A064483 this_sequence A064485 A064486 
               A064487
%K A064484 nice,nonn,tabl
%O A064484 2,1
%A A064484 Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Oct 05 2001
%E A064484 More terms from Naohiro Nomoto (n_nomoto(AT)yabumi.com), Nov 26 2001