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>
| 860: | \[L_{860}\] | 7 × 2161 × 10321 × 1329395274748352722431841<25> × 512687729748043101679813601<27> × 126117711915911646784404045944033521<36> × 31451298511964347256882878104719921761<38> × 1270498954921213260696452993292918491247279579761<49> |