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>
| 1273: | \[L_{1273}\] | 4021 × 7639 × 9349 × 24994118449<11> × 3098682544360819747850158491149<31> × 217835914465413230903011270542541516669<39> × 22697911734227635863637912653853509500739033676540312236855819152525947868532996120391460916685615829731812520139466044956253959062403346126767857571073134551205870130131472039<176> |