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%I #4 Feb 16 2025 08:33:10
%S 1,37,891,18041,337085,6076989,108331202,1937745128,35104098525,
%T 648090669839
%N Number of permutations of 1..n containing the relative rank sequence { 132546 } at any spacing.
%C Same series for 645231
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PermutationPattern.html">Permutation Pattern</a>
%Y A056986 A158005 A158423
%K nonn
%O 6,2
%A _R. H. Hardin_ Apr 05 2009