Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A115263 based on (1,2,3,4,...); by antidiagonals.
A202673
Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A115263 based on (1,2,3,4,...); by antidiagonals.
Terms
- a(0) =1a(1) =-1a(2) =1a(3) =-6a(4) =1a(5) =1a(6) =-12a(7) =20a(8) =-1a(9) =1a(10) =-18a(11) =75a(12) =-50a(13) =1a(14) =1a(15) =-24a(16) =166a(17) =-328a(18) =105a(19) =-1a(20) =1a(21) =-30a(22) =293a(23) =-1050a(24) =1134a(25) =-196a(26) =1a(27) =1a(28) =-36a(29) =456
External references
- oeis: A202673