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>
| 1866: | \[L_{1866}\] | 2 × 32 × 332147 × 1246489 × 1892123 × 40021368259255249<17> × 342036782556970243<18> × 34586386325579418990841<23> × 132216219853430591212667<24> × 1896388831771849122250234763<28> × 949760515643651844746851145150799413091714883<45> × 11739196599789774878200509845374806791586773809651878921601<59> × 50114281378252689867689242377215843437208374975857942894127889811059294209154118285177999693950527260002194592978397709337292328580141178388026515704343305202929<161> |