Expansion of Product_{n>=1} (1 - x^(7*n))^20/(1 - x^n)^21 in powers of x.
A282923
Expansion of Product_{n>=1} (1 - x^(7*n))^20/(1 - x^n)^21 in powers of x.
Terms
- a(0) =1a(1) =21a(2) =252a(3) =2233a(4) =16170a(5) =100926a(6) =560945a(7) =2837398a(8) =13265679a(9) =57989435a(10) =239125579a(11) =936702879a(12) =3505361650a(13) =12590400326a(14) =43572202835a(15) =145770820937a(16) =472764167939
External references
- oeis: A282923