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A079240 Number of associative non-commutative non-anti-associative non-anti-commutative closed binary operations on a set of order n. 9
0, 0, 48, 2344 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

A079230(n)+A079232(n)+A079234(n)+A079236(n)+A079195(n)+A079240(n)+A079242(n)+A079244(n)+A063524(n)=A002489(n)

Each a(n) is equal to the sum of the products of each element in row n of A079207 and the corresponding element of A079210.

LINKS

Table of n, a(n) for n=1..4.

CROSSREFS

Cf. A079207, A079241, A079230, A079232, A079234, A079236, A079195, A079242, A079244, A063524.

Sequence in context: A009992 A042105 A206046 * A275564 A275089 A235903

Adjacent sequences:  A079237 A079238 A079239 * A079241 A079242 A079243

KEYWORD

nonn

AUTHOR

Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003

STATUS

approved

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Last modified November 17 00:14 EST 2018. Contains 317275 sequences. (Running on oeis4.)