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Number of permutations of 1..n containing the relative rank sequence { 145623 } at any spacing.
0

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

%S 1,37,892,18102,339300,6139749,109870847,1972227424,35831253120,

%T 662813023696

%N Number of permutations of 1..n containing the relative rank sequence { 145623 } at any spacing.

%C Same series for 326541 451236 632154 432651 345126 156234 621543

%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