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>
| 869: | \[L_{869}\] | 199 × 347914579 × 32361122672259149<17> × 7180573929192552901<19> × 2533675169919088678929395500850343024037989882826272485385207763739507140494272669504805446700599529466723983549165319175121730940499919<136> |