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Number of permutations of 1..n containing the relative rank sequence { 326514 } at any spacing.
0

%I #3 Mar 31 2012 12:35:27

%S 1,37,894,18211,342864,6231402,111926215,2014564125,36656463405,

%T 678317048845

%N Number of permutations of 1..n containing the relative rank sequence { 326514 } at any spacing.

%C Same series for 431652 346125 256134 521643 415623 362154 451263

%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