Expansion of 1 - q * (psi(q^5) / psi(q))^2 in powers of q where psi() is a Ramanujan theta function.
A138520
Expansion of 1 - q * (psi(q^5) / psi(q))^2 in powers of q where psi() is a Ramanujan theta function.
Terms
- a(0) =1a(1) =-1a(2) =2a(3) =-3a(4) =6a(5) =-11a(6) =16a(7) =-24a(8) =38a(9) =-57a(10) =82a(11) =-117a(12) =168a(13) =-238a(14) =328a(15) =-448a(16) =614a(17) =-834a(18) =1114a(19) =-1480a(20) =1966a(21) =-2592a(22) =3384a(23) =-4398a(24) =5704a(25) =-7361a(26) =9436a(27) =-12045a(28) =15344a(29) =-19470
External references
- oeis: A138520