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>
| 1560: | \[L_{1560}\] | 2 × 47 × 1103 × 1601 × 3041 × 3329 × 740687 × 2402401 × 71467343 × 106513889 × 325759201 × 44729401601<11> × 53006952961<11> × 1088663430401<13> × 23735900452321<14> × 252395324361178683936108001<27> × 3664070903679134651504147239691801017828556945985573198721<58> × 701522747846375870660125987786077444652664690023051564560583201<63> × 355869589910800790554442568119606829973388185299040764741421731533581519199270401<81> |