1,2

A079192(n)+A079195(n)+A079198(n)+A023815(n)=A002489(n).

Each a(n) is equal to the sum of the products of each element in row n of A079194 and the corresponding element of A079210.

C. van den Bosch, Closed binary operations on small sets

Index entries for sequences related to groupoids

Cf. A079193, A079194, A079195, A079198, A023815.

Sequence in context: A130434 A121571 A123659 this_sequence A143780 A159429 A134728

Adjacent sequences: A079189 A079190 A079191 this_sequence A079193 A079194 A079195

nonn

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