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>
| 1883: | \[L_{1883}\] | 29 × 13451 × 797678071849<12> × 49098524855733491<17> × 290341026883813109<18> × 860882346042166879<18> × 141519512072423242759464896255445635951<39> × 6180297619331806996809784485292710590708674841530514582571893230473203695222091233231679309999707288842849647093669128904685708431067415781516257743740355130388135058154746035948500316957402714167276127616390544568234412716173693941914145668281790974084502881012783021308401828310548399<286> |