F_n

value

μ

F₀

2¹ + 1 = 3

0

F₁

2² + 1 = 5

0

F₂

2⁴ + 1 = 17

2

F₃

2⁸ + 1 = 257

42

F₄

2¹⁶ + 1 = 65737

10,972