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>
| 546: | \[L_{546}\] | 2 × 32 × 83 × 281 × 1427 × 90481 × 232961 × 10367878249<11> × 12280217041<11> × 2322666218678987<16> × 6110578634294886534808481<25> × 56100276324577514561817536429264267<35> |