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>
| 1417: | \[L_{1417}\] | 521 × 5669 × 128621 × 788071 × 593985111211<12> × 93604668346801<14> × 10401100107433736581830769<26> × 2696503762031431694233591901092192686191<40> × 292625016335833893869795016046906116392825639510940972457326724656968597352632953146296832772587506772675972821370602233656337917420530922101714715532316004013925176388785267388784383297251<189> |