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>
1337: | \[L_{1337}\] | 29 × 22921 × 1275499 × 2658116441 × 395586472506832921<18> × 910257559954057439<18> × 60565302010510886748750639833748251<35> × 1150938894501729468132242278092406720357578367859<49> × 46121927687925671918185940289947249088436748069029277785918195378256309677493881608907481088929650318966795852426509733203533748241971004571<140> |