Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203947.

A203948

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203947.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-2a(4) =1a(5) =1a(6) =-4a(7) =4a(8) =-1a(9) =1a(10) =-7a(11) =13a(12) =-7a(13) =1a(14) =1a(15) =-11a(16) =35a(17) =-31a(18) =10a(19) =-1a(20) =1a(21) =-16a(22) =74a(23) =-107a(24) =61a(25) =-14a(26) =1a(27) =1a(28) =-22a(29) =147

External references