-19901domain: ZAppears in sequencesStirling-like triangle by rows generated from (x-1)*(x-1)*(x-2)*(x-3)*(x-4)*...at n=41A158471Large-q series expansion for the exponential of the surface free energy of the square-lattice zero-temperature Potts antiferromagnet, in terms of the variable z = 1/(q - 1).at n=20A238835