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>
| 1347: | \[L_{1347}\] | 22 × 369079 × 10003891161597271<17> × 332169666981841732921<21> × 72195777446499975249912346541<29> × 311680756181475991522861299701<30> × 824345650181758925250079965109<30> × 3526241269680270005131372613737442517669248443744129959229791269498327935527706925053655977628469951324272474881857017218355969364991372623703815856261<151> |