Expansion of q * psi(-q^9) / psi(-q) in powers of q where psi() is a Ramanujan theta function.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =5a(7) =7a(8) =10a(9) =12a(10) =15a(11) =20a(12) =26a(13) =32a(14) =39a(15) =50a(16) =63a(17) =76a(18) =92a(19) =114a(20) =140a(21) =168a(22) =201a(23) =244a(24) =295a(25) =350a(26) =415a(27) =496a(28) =591a(29) =696