Fibonacci Sequence
Defined with \(F_0=0\), \(F_1=1\), and \(F_n=F_{n-1}+F_{n-2}\) when \(n\geq2\).
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 405: | \[F_{405}\] | 2 × 5 × 17 × 53 × 61 × 109 × 2269 × 4373 × 19441 × 109441 × 1114769954367361<16> × 23692245912756822601<20> × 58441864401139948168370041<26> |