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>
| 756: | \[L_{756}\] | 2 × 72 × 23 × 167 × 503 × 6263 × 14503 × 103681 × 65740583 × 177962167367<12> × 4322424761927<13> × 571385160581761<15> × 69729260202735045457607<23> × 27494481272808377119123272311176221245935886627564855921469417765623<68> |