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>
| * 2409: | \[L_{2409}\] | 22 × 199 × 439 × 9901 × 151549 × 11899937029<11> × 12748437199<11> × 18480020246884571<17> × 145282738021003201<18> × 33399168999489135041<20> × 58419814460108616439<20> × 413245120133303295838270991142010280507481495201439<51> × 50713785419927882661279297330415279013744732262071067619798904948393472226330007133646589723269<95> × [32364430592932277865659002541838445559257958331396812259480313444687693137895234880733981171663339920752068865396300903975735229363347293751557197873460710956420251968296093987369433103574834679339271801111608172779733410434595878706848284063199465759<251>] |