%I
%S 1,26,459,7036,102033,1456346,20901218,305540295,4588693377,
%T 71238558078
%N Number of permutations of 1..n containing the relative rank sequence { 52143 } at any spacing.
%C Same series for 32541 34125 14523
%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
