%I #14 Mar 21 2022 08:25:30
%S 1,2,4,10,26,76,234,782,2804,10972,47246,224648
%N Number of classes created in S_n by the {132, 231}{213, 312}-equivalence.
%H William Kuszmaul, <a href="https://arxiv.org/abs/1304.5667">Counting Permutations Modulo Pattern-Replacement Equivalences for Three-Letter Patterns</a>, arXiv:1304.5667 [math.CO], 2013-2014.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Feb 17 2013
%E Notation edited by _William Kuszmaul_, Mar 06 2013