%I #11 Dec 03 2016 08:47:57
%S 1,2,16,320,12448,809792
%N Number of equivalence classes under the fixed-point-free braid relation B_{FPF}(w_0).
%H Z. Hamaker, E. Marberg, B. Pawlowski, <a href="https://arxiv.org/abs/1601.02269">Involution words II: braid relations and atomic structures</a>, arXiv preprint arXiv:1601.02269, 2016. See Remark following Th. 6.18.
%Y Cf. A212417, A278590.
%K nonn,more
%O 0,2
%A _N. J. A. Sloane_, Dec 02 2016
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