NOTE: the compositions (3) for instance and (1,6) are subscripts.

How many triangles (=K(3)) does K(1,6) [with a horizontal line above K(1,6)], the complement of K(1,6), have?

How many triangles does K(1,n) [again, a horiz. line over K(1,n)], the complement of K(1,n), have?

These problems are from a section on Graph Theory, involving the applications of matrices with graphs and so forth. Any help would be great. Thanks!

Apparently in the book it shows this as an easy problem, maybe something I am just not getting.