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

A304783

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

Terms

    a(0) =1a(1) =-1a(2) =-1a(3) =-1a(4) =0a(5) =1a(6) =0a(7) =3a(8) =2a(9) =3a(10) =1a(11) =3a(12) =-2a(13) =0a(14) =-6a(15) =-8a(16) =-12a(17) =-14a(18) =-18a(19) =-19a(20) =-19a(21) =-15a(22) =-3a(23) =4a(24) =29a(25) =46a(26) =90a(27) =114a(28) =165a(29) =192

External references