Expansion of Product_{k>=1} 1/(1 - 5*k*x^k).

Terms

a(0) =1a(1) =5a(2) =35a(3) =190a(4) =1070a(5) =5525a(6) =29080a(7) =147485a(8) =752790a(9) =3789170a(10) =19105800a(11) =95794930a(12) =480650335a(13) =2406018490a(14) =12047084370a(15) =60264282575a(16) =301493182380