Norm of coefficients in the series C(x) defined by C(x) = 1 + x*C(i*x)^2, where i^2 = -1.

A193379

Norm of coefficients in the series C(x) defined by C(x) = 1 + x*C(i*x)^2, where i^2 = -1.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =17a(4) =20a(5) =212a(6) =464a(7) =4361a(8) =17812a(9) =60532a(10) =123088a(11) =4117252a(12) =29724752a(13) =84585040a(14) =430795584a(15) =8219554697a(16) =47479991380a(17) =214977407060a(18) =898098431312

External references