G.f.: (4/Pi^2)*EllipticK(4*x^(1/2))^2.

A036917

G.f.: (4/Pi^2)*EllipticK(4*x^(1/2))^2.

Terms

    a(0) =1a(1) =8a(2) =88a(3) =1088a(4) =14296a(5) =195008a(6) =2728384a(7) =38879744a(8) =561787864a(9) =8206324928a(10) =120929313088

External references