799629domain: NAppears in sequencesp-INVERT of (1,2,3,5,7,11,13,...); i.e., 1 and the primes (A008578), where p(S) = 1 - S - S^2.at n=11A289928Expansion of Product_{k>=1} 1/((1 - x^k)*(1 - x^(3*k))).at n=48A318026