Expansion of q* (psi(q^9)/phi(q^9))/ (psi(q)/phi(q)) in powers of q where psi(),phi() are Ramanujan theta functions.
A128143
Expansion of q* (psi(q^9)/phi(q^9))/ (psi(q)/phi(q)) in powers of q where psi(),phi() are Ramanujan theta functions.
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =0a(4) =1a(5) =0a(6) =-1a(7) =-1a(8) =2a(9) =0a(10) =-3a(11) =0a(12) =2a(13) =0a(14) =-3a(15) =0a(16) =5a(17) =0a(18) =-4a(19) =2a(20) =4a(21) =0a(22) =-5a(23) =0a(24) =7a(25) =-2a(26) =-7a(27) =0a(28) =5a(29) =0
External references
- oeis: A128143