Expansion of (phi(-q^5) / phi(-q))^2 in powers of q where phi() is a Ramanujan theta function.
A138517
Expansion of (phi(-q^5) / phi(-q))^2 in powers of q where phi() is a Ramanujan theta function.
Terms
- a(0) =1a(1) =4a(2) =12a(3) =32a(4) =76a(5) =164a(6) =336a(7) =656a(8) =1228a(9) =2228a(10) =3932a(11) =6768a(12) =11408a(13) =18872a(14) =30688a(15) =49152a(16) =77644a(17) =121096a(18) =186684a(19) =284720a(20) =429916a(21) =643168a(22) =953904a(23) =1403312a(24) =2048784a(25) =2969764a(26) =4275656a(27) =6116480a(28) =8696864a(29) =12294680
External references
- oeis: A138517