Coefficients in the even function A(x) = Sum_{n>=0} a(n)*x^(2*n) such that: 2 = Sum_{n=-oo..+oo} x^n * (x^n + i*sqrt(A(x)))^n, where i^2 = -1.
A355867
Coefficients in the even function A(x) = Sum_{n>=0} a(n)*x^(2*n) such that: 2 = Sum_{n=-oo..+oo} x^n * (x^n + i*sqrt(A(x)))^n, where i^2 = -1.
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =-6a(4) =-3a(5) =27a(6) =64a(7) =-72a(8) =-580a(9) =-573a(10) =3276a(11) =10778a(12) =-4429a(13) =-94493a(14) =-153086a(15) =463061a(16) =2197569a(17) =604351a(18) =-17222574a(19) =-40338277a(20) =64029441a(21) =477897865a(22) =433963667a(23) =-3248816635a(24) =-10525409672a(25) =6577294016a(26) =106318417880a(27) =163863253517a(28) =-599970596239
External references
- oeis: A355867