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>
917: | \[L_{917}\] | 29 × 1049 × 14024599 × 35035630099<11> × 414988698461<12> × 5477332620091<13> × 2630268892908013894273129<25> × 4903280120424086847157401901730072301713582620179399217776817695231231038337295762739192980497406228905961911781368712069<121> |