OFFSET
1,2
COMMENTS
That is, the number of ternary maps represented in the form f(x, y, z) = (x ∗ y) ∗ z.
LINKS
Pasha Zusmanovich, Lie algebras and around: selected questions, arXiv:1608.05863 [math.RA], 2016.
CROSSREFS
KEYWORD
nonn,bref,more
AUTHOR
N. J. A. Sloane, Mar 25 2017
STATUS
approved