Coefficient of x^n in Product_{k>=1} 1/(1-x^k)^(2*n).
A304444
Coefficient of x^n in Product_{k>=1} 1/(1-x^k)^(2*n).
Terms
- a(0) =1a(1) =2a(2) =14a(3) =98a(4) =726a(5) =5512a(6) =42614a(7) =333608a(8) =2636326a(9) =20985272a(10) =168012824a(11) =1351507830a(12) =10914317934a(13) =88432329546a(14) =718545161208
External references
- oeis: A304444