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>
397: | \[F_{397}\] | 135263838653434038307643992992133441<36> × 307203719010249860094186673433457816461942845097<48> |