Expansion of Sum_{i>=0} q^i*theta_3^i.

Terms

a(0) =1a(1) =1a(2) =3a(3) =5a(4) =11a(5) =23a(6) =47a(7) =99a(8) =203a(9) =423a(10) =877a(11) =1819a(12) =3777a(13) =7831a(14) =16253a(15) =33715a(16) =69953a(17) =145137a(18) =301113a(19) =624745a(20) =1296165a(21) =2689221a(22) =5579425a(23) =11575849a(24) =24016893a(25) =49828757a(26) =103381739a(27) =214490133a(28) =445011179a(29) =923282285