-13192domain: ZAppears in sequencesArray: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(prime(i+1), prime(j+1)) (A204120).at n=23A204121Expansion of Product_{k>=1} (1 - x^k)^prime(k+1).at n=31A353170