Determinant of the n X n tridiagonal matrix M with the elements on the diagonals equal to 1, except M(n,n-1)=M(n-1,n)=n.

A080322

Determinant of the n X n tridiagonal matrix M with the elements on the diagonals equal to 1, except M(n,n-1)=M(n-1,n)=n.

Terms

    a(0) =-3a(1) =-9a(2) =-1a(3) =24a(4) =36a(5) =1a(6) =-63a(7) =-81a(8) =-1a(9) =120a(10) =144a(11) =1a(12) =-195a(13) =-225a(14) =-1a(15) =288a(16) =324a(17) =1a(18) =-399a(19) =-441a(20) =-1a(21) =528a(22) =576a(23) =1a(24) =-675a(25) =-729a(26) =-1a(27) =840a(28) =900a(29) =1

External references