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>
| * 1876: | \[L_{1876}\] | 72 × 4289 × 14503 × 11514887 × 12471649 × 6387083201<10> × 9960036624429863<16> × 532023636345822147038743367122454382963889<42> × [7764708201250280755631184057490936841180406184075327394470645145262685365482359576085678595864437381549854263583389758368828942052095105662791630928163367697914655755321298086488993613603148149385445657233735643657142011327068370718939633612674214656293506403488328266512296182689593636750119748942769<301>] |