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>
| 491: | \[F_{491}\] | 141600090215093<15> × 1621212105820049<16> × 7989930331870878172694349568563967453474817377713504694454418890569410437<73> |