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>
| 816: | \[L_{816}\] | 2 × 769 × 2207 × 3167 × 6529 × 11423 × 4470047 × 7378607647<10> × 42848407775681<14> × 224189164930816106106049<24> × 425322453899397569230943<24> × 491068070860114647710825089<27> × 6444437906978053631295926770067759259259129441729<49> |