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>
| 1718: | \[L_{1718}\] | 3 × 474169 × 123882932858689<15> × 152765444666921<15> × 3310405737639317436112125615308443<34> × 1232519230744095903239662318672663667340150579478638632596367617282369543845108523288997874207452188777919455775918674263230543114725049495392134179766120405520441488695357390525600536186507121019314305132498835778885811999081022202340647467625342538490704327071311881885622921108089507978987<292> |