Expansion of Product_{k>=1} (1 + x^k)^(sigma_9(k)).
A301553
Expansion of Product_{k>=1} (1 + x^k)^(sigma_9(k)).
Terms
- a(0) =1a(1) =1a(2) =513a(3) =20197a(4) =413669a(5) =12445003a(6) =372981573a(7) =9158438541a(8) =223776496101
External references
- oeis: A301553