Expansion of Product_{k>=1} 1/(1 + q(k)*x^k), where q(k) = number of partitions of k into distinct parts (A000009).

A316231

Expansion of Product_{k>=1} 1/(1 + q(k)*x^k), where q(k) = number of partitions of k into distinct parts (A000009).

Terms

    a(0) =1a(1) =-1a(2) =0a(3) =-2a(4) =1a(5) =-2a(6) =3a(7) =-3a(8) =6a(9) =-8a(10) =14a(11) =-10a(12) =28a(13) =-26a(14) =41a(15) =-73a(16) =90a(17) =-112a(18) =155a(19) =-221a(20) =288a(21) =-501a(22) =560a(23) =-799a(24) =1153a(25) =-1610a(26) =1953a(27) =-3095a(28) =4073a(29) =-5224

External references