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>
| 1389: | \[L_{1389}\] | 22 × 106332581 × 130929919 × 192126481 × 588019261 × 627133501 × 46429050139<11> × 585919814281<12> × 1963812794309<13> × 19496102986962769<17> × 1444159651716257659<19> × 32663115224038289868650135217134309651239908119<47> × 991698349736194932567413974545232046719656954351302912225495747684569976439696041219660616649139927840122511822292638899781301877399<132> |