71011068

Appears in sequences

• Numerators of continued fraction convergents to sqrt(241).at n=16A041450
• Let p(n) be the n-th prime congruent to 1 mod 4. Then a(n) = the least m for which m^2+1=p(n)*k^2 has a solution.at n=23A094048
• Smallest integer x satisfying the Pell equation x^2-k*y^2=-1 for the values of k given in A031396.at n=43A130226
• Value x in the solution of x^2-D*y^2=-1 as D runs through A003654.at n=40A249021