Expansion of psi(x) * f(-x^18)^3 / (phi(-x^3) * f(-x^3)^3) in powers of x where phi(), psi(), f() are Ramanujan theta functions.
A261992
Expansion of psi(x) * f(-x^18)^3 / (phi(-x^3) * f(-x^3)^3) in powers of x where phi(), psi(), f() are Ramanujan theta functions.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =6a(4) =5a(5) =0a(6) =25a(7) =19a(8) =0a(9) =84a(10) =61a(11) =0a(12) =248a(13) =174a(14) =0a(15) =666a(16) =455a(17) =0a(18) =1662a(19) =1112a(20) =0a(21) =3912a(22) =2573a(23) =0a(24) =8774a(25) =5689a(26) =0a(27) =18894a(28) =12102a(29) =0
External references
- oeis: A261992