a(n) = determinant of n X n circulant matrix whose first row consists of the first n positive triangular numbers.

A177147

a(n) = determinant of n X n circulant matrix whose first row consists of the first n positive triangular numbers.

Terms

    a(0) =1a(1) =-8a(2) =190a(3) =-8880a(4) =683375a(5) =-78206688a(6) =12452171844

External references