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>
980: | \[L_{980}\] | 73 × 2161 × 14503 × 2924321 × 3016049 × 118021448662479038881<21> × 6100804791163473872231629367<28> × 72429574989946831037618785403541032939991072078175681<53> × 1299431134142865917118685192680787817477226794096171554651494340729360284680417921<82> |