A079230 Number of non-associative non-commutative non-anti-associative non-anti-commutative closed binary operations on a set of order n.

0, 0, 13026, 3529190912

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 A079202 and the corresponding element of A079210.

Links

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

Crossrefs

Cf. A079202, A079231, A079232, A079234, A079236, A079195, A079240, A079242, A079244, A063524.

Sequence in context: A031633 A015327 A210016 * A262659 A252638 A252191

Adjacent sequences: A079227 A079228 A079229 * A079231 A079232 A079233

Keyword

nonn

Author

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

Status

approved