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A079236 Number of non-associative non-commutative anti-associative anti-commutative closed binary operations on a set of order n. 9
0, 2, 4, 108000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Each a(n) is equal to the sum of the products of each element in row n of A079205 and the corresponding element of A079210.
LINKS
CROSSREFS
Sequence in context: A006263 A266198 A274990 * A138852 A062701 A341805
KEYWORD
nonn
AUTHOR
Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003
STATUS
approved

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Last modified February 26 17:57 EST 2024. Contains 370352 sequences. (Running on oeis4.)