E.g.f.: Product_{k>=1} (1 + x^(4*k-1)/(4*k-1)) / (1 - x^(4*k-1)/(4*k-1)).

A326862

E.g.f.: Product_{k>=1} (1 + x^(4*k-1)/(4*k-1)) / (1 - x^(4*k-1)/(4*k-1)).

Terms

    a(0) =1a(1) =0a(2) =0a(3) =4a(4) =0a(5) =0a(6) =160a(7) =1440a(8) =0a(9) =26880a(10) =691200a(11) =7257600a(12) =11827200a(13) =395366400a(14) =14125363200a(15) =185119334400a(16) =442810368000

External references