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>
| 625: | \[L_{625}\] | 11 × 101 × 151 × 251 × 2775001 × 112128001 × 28143378001<11> × 13181501253515178490001<23> × 1339507616024322442312867213751<31> × 6362780164662187387605023763432934660589177501<46> |