Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #3 Mar 31 2012 12:35:46
%S 0,0,2,8,46,348,2556,21568,207226,2139108,24243696,299757088,
%T 3981465548,56839765304
%N Number of permutations of 1..n with the permutation and its inverse having a different number of maxima
%K nonn
%O 1,3
%A _R. H. Hardin_ Sep 01 2010