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>
622: | \[L_{622}\] | 3 × 40021368259255249<17> × 342036782556970243<18> × 132216219853430591212667<24> × 1896388831771849122250234763<28> × 949760515643651844746851145150799413091714883<45> |