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A283840 Number of ternary maps f : S X S X S -> S on a set S of n elements which can be represented as a superposition of binary maps * : S X S -> S (Version 1). 1
1, 14, 19292 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

That is, the number of ternary maps represented in the form f(x, y, z) = (x ∗ y) ∗ z.

LINKS

Table of n, a(n) for n=1..3.

Pasha Zusmanovich, Lie algebras and around: selected questions, arXiv:1608.05863 [math.RA], 2016.

CROSSREFS

Cf. A283841.

Sequence in context: A333954 A104376 A053870 * A079176 A344668 A013754

Adjacent sequences:  A283837 A283838 A283839 * A283841 A283842 A283843

KEYWORD

nonn,bref,more

AUTHOR

N. J. A. Sloane, Mar 25 2017

STATUS

approved

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Last modified January 21 03:58 EST 2022. Contains 350473 sequences. (Running on oeis4.)