a(n) is the permanent of the n X n circulant matrix whose rows are formed by successively rotating the vector (A000129(0), A000129(1), ..., A000129(n-1)) right.

A392132

a(n) is the permanent of the n X n circulant matrix whose rows are formed by successively rotating the vector (A000129(0), A000129(1), ..., A000129(n-1)) right.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =9a(4) =772a(5) =317660a(6) =755353604

External references