G.f. A(x) satisfies: 1 = ...(((((A(x) - x)^(1/2) - x^2)^(1/2) - x^3)^(1/2) - x^4)^(1/2) - x^5)^(1/2) -...- x^n)^(1/2) -..., an infinite series of nested square roots.

A274965

G.f. A(x) satisfies: 1 = ...(((((A(x) - x)^(1/2) - x^2)^(1/2) - x^3)^(1/2) - x^4)^(1/2) - x^5)^(1/2) -...- x^n)^(1/2) -..., an infinite series of nested square roots.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =4a(4) =9a(5) =20a(6) =46a(7) =104a(8) =238a(9) =540a(10) =1228a(11) =2780a(12) =6289a(13) =14180a(14) =31924a(15) =71688a(16) =160694a(17) =359452a(18) =802642a(19) =1788988a(20) =3980916a(21) =8844064a(22) =19618506a(23) =43455324a(24) =96121164a(25) =212331796a(26) =468445180a(27) =1032216460a(28) =2271818652a(29) =4994434788

External references