Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203955.

A203956

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203955.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-6a(4) =1a(5) =1a(6) =-12a(7) =20a(8) =-1a(9) =1a(10) =-27a(11) =165a(12) =-35a(13) =1a(14) =1a(15) =-123a(16) =1255a(17) =-511a(18) =54a(19) =-1a(20) =1a(21) =-300a(22) =9266a(23) =-6003a(24) =1197a(25) =-82a(26) =1a(27) =1a(28) =-558a(29) =77523

External references