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>
| 654: | \[L_{654}\] | 2 × 32 × 1307 × 924503867289824805827159934087885660335843<42> × 1745511518136966234134316537982253791419241<43> × 1254692146618186610477078534333327160942381038761<49> |