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>
| * 1961: | \[L_{1961}\] | 54018521 × 28675816739<11> × 119218851371<12> × 100465919757239<15> × 556428982236389<15> × 545776614383116339223866522884382853249131<42> × [11855385525451781572012198069348731092178901302509235708762024811508151181808289065924398791096568801198099679262866551972021672134903406187215232644282435308604723149294661825692634877756707701194172954996245507900883968425788636597017009769445903264391284817442031430450061206064952021491841578580148268989099<311>] |