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>
| 905: | \[L_{905}\] | 11 × 1811 × 28961 × 97379 × 135719231 × 21373261504197751<17> × 32242356485644069<17> × 18321706844630776437024655161465600290414330046534410851526689661<65> × 14135772000616734739085654360220556803071522207232952304328548418162841<71> |