Search: id:A079176
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%I A079176
%S A079176 1,14,19631,4294545736
%N A079176 Number of non-anti-associative closed binary operations on a set of order 
               n.
%C A079176 A079176(n)+A079179(n)=A002489(n).
%C A079176 Each a(n) is equal to the sum of the products of each element in row 
               n of A079178 and the corresponding element of A079210.
%H A079176 C. van den Bosch, <a href="http://cosmos.ucc.ie/~cjvdb1/html/binops.shtml">
               Closed binary operations on small sets</a>
%H A079176 <a href="Sindx_Gre.html#groupoids">Index entries for sequences related 
               to groupoids</a>
%Y A079176 Cf. A079177, A079178, A079179.
%Y A079176 Sequence in context: A048913 A104376 A053870 this_sequence A013754 A073940 
               A164322
%Y A079176 Adjacent sequences: A079173 A079174 A079175 this_sequence A079177 A079178 
               A079179
%K A079176 nonn
%O A079176 1,2
%A A079176 Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003

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