Expansion of f(-x, x^2) / f(-x, -x^3)^3 in powers of x where f(, ) is Ramanujan's general theta function.

A263993

Expansion of f(-x, x^2) / f(-x, -x^3)^3 in powers of x where f(, ) is Ramanujan's general theta function.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =10a(4) =20a(5) =36a(6) =64a(7) =112a(8) =189a(9) =308a(10) =492a(11) =778a(12) =1210a(13) =1844a(14) =2776a(15) =4144a(16) =6114a(17) =8914a(18) =12884a(19) =18484a(20) =26302a(21) =37124a(22) =52040a(23) =72512a(24) =100415a(25) =138196a(26) =189160a(27) =257648a(28) =349184a(29) =470932

External references