A159145 - OEIS

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

%S 1,37,894,18205,342527,6220027,111624374,2007591333,36508865444,

%T 675368719140

%N Number of permutations of 1..n containing the relative rank sequence { 234615 } at any spacing.

%C Same series for 516432 261345 543162 314562 463215 265413 512364

%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