Expansion of f(x, -x^4) / phi(-x^2) in powers of x where f(, ) and phi() are Ramanujan theta functions.

A122135

Expansion of f(x, -x^4) / phi(-x^2) in powers of x where f(, ) and phi() are Ramanujan theta functions.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =6a(7) =7a(8) =10a(9) =12a(10) =16a(11) =20a(12) =26a(13) =31a(14) =40a(15) =48a(16) =60a(17) =72a(18) =89a(19) =106a(20) =130a(21) =154a(22) =186a(23) =220a(24) =264a(25) =310a(26) =370a(27) =433a(28) =512a(29) =598

External references