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>
| 1226: | \[L_{1226}\] | 3 × 132409 × 286369081 × 71017513843<11> × 36640989233960129<17> × 148966979373698467<18> × 375369856111438395932453008038925922559974160976042000310696426197275315902484132007138797928375333979923245761573542736369743715256944449345161796300608562375726554625903310905798227212000070486761<198> |