%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