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>
| 456: | \[L_{456}\] | 2 × 47 × 1103 × 386689 × 446881 × 185686849 × 562766385967<12> × 2206456200865197103<19> × 48117413372195509248992480097331875029761<41> |