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>
| 220: | \[F_{220}\] | 3 × 5 × 112 × 41 × 43 × 89 × 199 × 307 × 331 × 661 × 39161 × 474541 × 59996854928656801<17> |