Expansion of phi(q^2)^2 / (phi(q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.

A232358

Expansion of phi(q^2)^2 / (phi(q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.

Terms

    a(0) =1a(1) =-2a(2) =8a(3) =-16a(4) =32a(5) =-60a(6) =96a(7) =-160a(8) =256a(9) =-394a(10) =624a(11) =-944a(12) =1408a(13) =-2092a(14) =3008a(15) =-4320a(16) =6144a(17) =-8612a(18) =12072a(19) =-16720a(20) =22976a(21) =-31424a(22) =42528a(23) =-57312a(24) =76800a(25) =-102254a(26) =135728a(27) =-179104a(28) =235264a(29) =-307852

External references