Lucas Sequence
Defined with \(L_0=2\), \(L_1=1\), and \(L_n=L_{n-1}+L_{n-2}\) when \(n\geq2\). Related to the Fibonacci sequence.
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 673: | \[L_{673}\] | 46523137415548703309380746547451067704348530289796899<53> × 9572224889293330076609301712106609330655766909023115102651249702899751775114467340223179<88> |