Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203905.

A203906

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203905.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-2a(4) =1a(5) =1a(6) =-4a(7) =4a(8) =-1a(9) =1a(10) =-6a(11) =11a(12) =-6a(13) =1a(14) =1a(15) =-8a(16) =22a(17) =-24a(18) =9a(19) =-1a(20) =1a(21) =-10a(22) =37a(23) =-62a(24) =46a(25) =-12a(26) =1a(27) =1a(28) =-12a(29) =56

External references