a(n) = [x^n] (1/(1 - x))*Product_{k>=1} 1/(1 - n*x^k).
A303914
a(n) = [x^n] (1/(1 - x))*Product_{k>=1} 1/(1 - n*x^k).
Terms
- a(0) =1a(1) =2a(2) =9a(3) =55a(4) =465a(5) =5051a(6) =69265a(7) =1147287a(8) =22307905a(9) =497211049a(10) =12484203601a(11) =348391613615
External references
- oeis: A303914