a(n) = coefficient of x^n in the power series A(x) such that: 1 = Sum_{n=-oo..+oo} x^(n+1) * (2 - x^(n+1))^n * A(x)^n.
A357798
a(n) = coefficient of x^n in the power series A(x) such that: 1 = Sum_{n=-oo..+oo} x^(n+1) * (2 - x^(n+1))^n * A(x)^n.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =20a(4) =78a(5) =364a(6) =1758a(7) =9144a(8) =48508a(9) =264014a(10) =1457624a(11) =8158260a(12) =46134878a(13) =263312552a(14) =1514534512a(15) =8771202984a(16) =51101608190a(17) =299306977508
External references
- oeis: A357798