Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A185957; by antidiagonals.

A202678

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A185957; by antidiagonals.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-11a(4) =1a(5) =1a(6) =-30a(7) =57a(8) =-1a(9) =1a(10) =-50a(11) =395a(12) =-203a(13) =1a(14) =1a(15) =-70a(16) =1133a(17) =-3221a(18) =574a(19) =-1a(20) =1a(21) =-90a(22) =2271a(23) =-15840a(24) =19011a(25) =-1386a(26) =1a(27) =1a(28) =-110a(29) =3809

External references