231469domain: NAppears in sequencesExpansion of Product_{k>=1} 1/(1 - x^(2*k+1))^(2*k+1).at n=36A263199Minimal conductors c of cyclic cubic number fields K with elementary bicyclic 3-class group Cl_3(K)=(3,3) and second 3-class group M=Gal(F_3^2(K)/K) of assigned coclass cc(M)=0,1,2,3,...at n=4A380103