Fibonacci Sequence
Defined with \(F_0=0\), \(F_1=1\), and \(F_n=F_{n-1}+F_{n-2}\) when \(n\geq2\).
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
267: | \[F_{267}\] | 2 × 1069 × 122887425153289<15> × 1665088321800481<16> × 64455877349703042877309<23> |