This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A079230 #2 Jan 24 2006 03:00:00 %S A079230 0,0,13026,3529190912 %N A079230 Number of non-associative non-commutative non-anti-associative non-anti-commutative closed binary operations on a set of order n. %C A079230 A079230(n)+A079232(n)+A079234(n)+A079236(n)+A079195(n)+A079240(n)+A079242(n)+A079244(n)+A063524(n)=A002489(n) %C A079230 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. %Y A079230 Cf. A079202, A079231, A079232, A079234, A079236, A079195, A079240, A079242, A079244, A063524. %K A079230 nonn %O A079230 1,3 %A A079230 Christian van den Bosch (cjb(AT)cjb.ie), Jan 03 2003