Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of {max(i,j)} (A051125).

A203989

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of {max(i,j)} (A051125).

Terms

    a(0) =1a(1) =-1a(2) =-2a(3) =-3a(4) =1a(5) =3a(6) =11a(7) =6a(8) =-1a(9) =-4a(10) =-23a(11) =-35a(12) =-10a(13) =1a(14) =5a(15) =39a(16) =98a(17) =85a(18) =15a(19) =-1a(20) =-6a(21) =-59a(22) =-207a(23) =-308a(24) =-175a(25) =-21a(26) =1a(27) =7a(28) =83a(29) =374

External references