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Number of permutations of 1..n containing the relative rank sequence { 52431 } at any spacing.
0

%I #3 Mar 31 2012 12:35:26

%S 1,26,460,7064,102510,1462680,20971656,306191550,4593023012,

%T 71238398197,1147853638792

%N Number of permutations of 1..n containing the relative rank sequence { 52431 } at any spacing.

%C Same series for 53241 13425 14235

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PermutationPattern.html">Permutation Pattern</a>

%Y A056986 A158005

%K nonn

%O 5,2

%A _R. H. Hardin_ Mar 18 2009