Expansion of f(-x^4, -x^16) / psi(-x) in powers of x where psi() is a Ramanujan theta function and f(, ) is Ramanujan's general theta function.

A122130

Expansion of f(-x^4, -x^16) / psi(-x) in powers of x where psi() is a Ramanujan theta function and f(, ) is Ramanujan's general theta function.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =4a(7) =5a(8) =7a(9) =9a(10) =11a(11) =14a(12) =18a(13) =22a(14) =27a(15) =34a(16) =41a(17) =50a(18) =61a(19) =73a(20) =88a(21) =106a(22) =126a(23) =150a(24) =179a(25) =211a(26) =249a(27) =294a(28) =345a(29) =404

External references