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>
| 1340: | \[L_{1340}\] | 7 × 2161 × 4289 × 219761 × 6387083201<10> × 80285462161<11> × 532023636345822147038743367122454382963889<42> × 34153345353296983923994996183802419361244641<44> × 568109971861069654129925848215066763430688371078727412437460518881<66> × 146434154745113602219440235096179045989319298226680009064420886587888987299917058718881963947041<96> |