1,3

A079188(n)+A079191(n)=A079171(n).

Elements per row: 1,2,4,8,16,30,... (given by A027423, number of positive divisors of n!)

First four rows: 0; 0,4; 1,4,44,2285; 0,0,0,24,64,212,35240,147088764

A079176(x) is equal to the sum of the products of each element in row x of this sequence and the corresponding element of A079210.

The sum of each row x of this sequence is given by A079177(x).

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

Index entries for sequences related to groupoids

Cf. A079186, A079187, A079191.

Sequence in context: A066808 A033918 A136467 this_sequence A076810 A061642 A143313

Adjacent sequences: A079185 A079186 A079187 this_sequence A079189 A079190 A079191

nonn,tabf

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