Expansion of phi(-q^6) / phi(-q) in powers of q where phi() is a Ramanujan theta function.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =14a(5) =24a(6) =38a(7) =60a(8) =92a(9) =138a(10) =204a(11) =296a(12) =424a(13) =600a(14) =840a(15) =1164a(16) =1598a(17) =2176a(18) =2940a(19) =3944a(20) =5256a(21) =6960a(22) =9164a(23) =12000a(24) =15634a(25) =20270a(26) =26160a(27) =33616a(28) =43020a(29) =54840