1,2

A079177(n)+A079180(n)=A001329(n).

Each a(n) is equal to the sum of the elements in row n of A079178.

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

Index entries for sequences related to groupoids

Cf. A079176, A079178, A079180.

Sequence in context: A125539 A137565 A145260 this_sequence A046250 A087925 A125540

Adjacent sequences: A079174 A079175 A079176 this_sequence A079178 A079179 A079180

nonn

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