1,2

A079176(n)+A079179(n)=A002489(n).

Each a(n) is equal to the sum of the products of each element in row n of A079181 and the corresponding element of A079210.

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

Index entries for sequences related to groupoids

Cf. A079176, A079180, A079181.

Adjacent sequences: A079176 A079177 A079178 this_sequence A079180 A079181 A079182

Sequence in context: A121293 A057106 A080973 this_sequence A000654 A061306 A139841

nonn

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