Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=max(ceiling(i/j),ceiling(j/i)) (as in A204143).
A204144
Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j)=max(ceiling(i/j),ceiling(j/i)) (as in A204143).
Terms
- a(0) =1a(1) =-1a(2) =-3a(3) =-2a(4) =1a(5) =8a(6) =14a(7) =3a(8) =-1a(9) =-12a(10) =-42a(11) =-35a(12) =-4a(13) =1a(14) =19a(15) =95a(16) =145a(17) =73a(18) =5a(19) =-1a(20) =-20a(21) =-140a(22) =-338a(23) =-336a(24) =-125a(25) =-6a(26) =1a(27) =16a(28) =184a(29) =665
External references
- oeis: A204144