Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203945.
A203946
Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of A203945.
Terms
- a(0) =1a(1) =-1a(2) =1a(3) =-2a(4) =1a(5) =1a(6) =-3a(7) =3a(8) =-1a(9) =1a(10) =-5a(11) =8a(12) =-5a(13) =1a(14) =1a(15) =-7a(16) =17a(17) =-17a(18) =7a(19) =-1a(20) =1a(21) =-9a(22) =30a(23) =-45a(24) =30a(25) =-9a(26) =1a(27) =1a(28) =-11a(29) =47
External references
- oeis: A203946