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>
| 1206: | \[L_{1206}\] | 2 × 33 × 107 × 1609 × 6163 × 2258208467 × 201912469249<12> × 2705622682163<13> × 2915186157721<13> × 47093406615002521<17> × 3625049985433518620724629754945150956569<40> × 16211852405196121284809570641699847837175661542864107<53> × 1918672931577070624161582218630410434582808835401010035599855557910512283958266006087289<88> |