%I #6 Oct 02 2025 22:45:43
%S 1,50,1584,41300,976127,21920756,480140787,10420910929,226383485177
%N Number of permutations of 1..n containing the relative rank sequence { 1364257 } at any spacing.
%C Same series (among rank sequences with inversion = reversal) for 1524637
%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 7,2
%A _R. H. Hardin_, Apr 05 2009