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>
| 634: | \[L_{634}\] | 3 × 6369163 × 27716175147523<14> × 13071786867911587<17> × 19037668598184699045439529<26> × 3064105564453524205787155678841<31> × 7797844292542181742956585897715810181283<40> |