%I #3 Mar 31 2012 12:35:26
%S 1,37,892,18104,339402,6142870,109946165,1973820605,35862423922,
%T 663394959580
%N Number of permutations of 1..n containing the relative rank sequence { 156423 } at any spacing.
%C Same series for 324651 453126 621354
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PermutationPattern.html">Permutation Pattern</a>
%Y A056986 A158005 A158423
%K nonn
%O 6,2
%A _R. H. Hardin_ Apr 05 2009
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