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A278589
Number of equivalence classes under the fixed-point-free braid relation B_{FPF}(w_0).
1
1, 2, 16, 320, 12448, 809792
OFFSET
0,2
LINKS
Z. Hamaker, E. Marberg, B. Pawlowski, Involution words II: braid relations and atomic structures, arXiv preprint arXiv:1601.02269, 2016. See Remark following Th. 6.18.
CROSSREFS
Sequence in context: A188867 A282787 A137729 * A171212 A282392 A336522
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Dec 02 2016
STATUS
approved