1764132

Appears in sequences

• Numerators of continued fraction convergents to sqrt(193).at n=12A041358
• 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=19A094048
• Smallest integer x satisfying the Pell equation x^2-k*y^2=-1 for the values of k given in A031396.at n=36A130226
• Value x in the solution of x^2-D*y^2=-1 as D runs through A003654.at n=33A249021