Expansion of f(-x^6, -x^12)^2 / (f(-x, -x) * f(-x^3, -x^15)) in powers of x where f(, ) is Ramanujan's general theta function.
A261240
Expansion of f(-x^6, -x^12)^2 / (f(-x, -x) * f(-x^3, -x^15)) in powers of x where f(, ) is Ramanujan's general theta function.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =9a(4) =16a(5) =28a(6) =47a(7) =76a(8) =120a(9) =185a(10) =280a(11) =416a(12) =608a(13) =878a(14) =1252a(15) =1765a(16) =2464a(17) =3408a(18) =4676a(19) =6364a(20) =8600a(21) =11545a(22) =15400a(23) =20424a(24) =26938a(25) =35346a(26) =46152a(27) =59981a(28) =77616a(29) =100016
External references
- oeis: A261240