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Number of permutations of 1..n with the sequence of sums of 3 adjacent elements having exactly 4 maxima
0

%I #3 Mar 31 2012 12:35:45

%S 0,13440,344400,5936700,99514800,1687205520,28278458208

%N Number of permutations of 1..n with the sequence of sums of 3 adjacent elements having exactly 4 maxima

%K nonn

%O 8,2

%A _R. H. Hardin_ Jul 25 2010