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>
| 553: | \[L_{553}\] | 29 × 5531 × 32361122672259149<17> × 15327015737936733639089<23> × 467177823226901502121899227865934545048285100074539649060171115392823339<72> |