Expansion of q * psi(q^2) * psi(-q^9) / (phi(-q^3) * psi(-q^3)) in powers of q where phi(), psi() are Ramanujan theta functions.
A139214
Expansion of q * psi(q^2) * psi(-q^9) / (phi(-q^3) * psi(-q^3)) in powers of q where phi(), psi() are Ramanujan theta functions.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =3a(4) =0a(5) =3a(6) =8a(7) =0a(8) =7a(9) =18a(10) =0a(11) =15a(12) =38a(13) =0a(14) =30a(15) =75a(16) =0a(17) =57a(18) =140a(19) =0a(20) =104a(21) =252a(22) =0a(23) =183a(24) =439a(25) =0a(26) =313a(27) =744a(28) =0a(29) =522
External references
- oeis: A139214