Expansion of q * (f(-q, -q^7) / f(-q^3, -q^5))^2 in powers of q where f(,) is Ramanujan's two-variable theta function.

A230535

Expansion of q * (f(-q, -q^7) / f(-q^3, -q^5))^2 in powers of q where f(,) is Ramanujan's two-variable theta function.

Terms

    a(0) =1a(1) =-2a(2) =1a(3) =2a(4) =-4a(5) =4a(6) =-1a(7) =-6a(8) =11a(9) =-8a(10) =-1a(11) =12a(12) =-20a(13) =16a(14) =2a(15) =-22a(16) =34a(17) =-30a(18) =1a(19) =40a(20) =-64a(21) =52a(22) =-2a(23) =-68a(24) =113a(25) =-88a(26) =-2a(27) =112a(28) =-180a(29) =144

External references