Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=(2i-1 if i=j and 1 otherwise) for i>=1 and j>=1 (as in A204131).

A204132

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=(2i-1 if i=j and 1 otherwise) for i>=1 and j>=1 (as in A204131).

Terms

    a(0) =1a(1) =-1a(2) =2a(3) =-4a(4) =1a(5) =8a(6) =-20a(7) =9a(8) =-1a(9) =48a(10) =-136a(11) =80a(12) =-16a(13) =1a(14) =384a(15) =-1184a(16) =820a(17) =-220a(18) =25a(19) =-1a(20) =3840a(21) =-12608a(22) =9784a(23) =-3160a(24) =490a(25) =-36a(26) =1a(27) =46080a(28) =-158976a(29) =134400

External references