Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{1+j mod i, 1+i mod j} (A204018).
A204019
Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of max{1+j mod i, 1+i mod j} (A204018).
Terms
- a(0) =1a(1) =-1a(2) =-3a(3) =-2a(4) =1a(5) =8a(6) =14a(7) =3a(8) =-1a(9) =-21a(10) =-64a(11) =-40a(12) =-4a(13) =1a(14) =40a(15) =266a(16) =280a(17) =90a(18) =5a(19) =-1a(20) =125a(21) =-930a(22) =-1671a(23) =-896a(24) =-175a(25) =-6a(26) =1a(27) =-2940a(28) =854a(29) =8600
External references
- oeis: A204019