Expansion of Product_{k > 0} (1 + f(k)*x^k), where f(1) = 1 and f(m) = prime(m-1) for m >= 2.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =8a(5) =18a(6) =34a(7) =63a(8) =102a(9) =203a(10) =336a(11) =589a(12) =999a(13) =1675a(14) =2799a(15) =4768a(16) =7561a(17) =12224a(18) =20513a(19) =31724a(20) =51621a(21) =81976a(22) =128560a(23) =199192a(24) =312536a(25) =482806a(26) =744847a(27) =1147952a(28) =1755931a(29) =2649474