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>
| 477: | \[L_{477}\] | 22 × 19 × 785461 × 49721203549<11> × 119218851371<12> × 6430515046741<13> × 4523819299182451<16> × 472637968735705963164896157847752919263649<42> |