62875

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 81 ones.at n=3A031849
• Fourth left hand column of triangle A163940.at n=10A163944
• a(n) = 5*a(n-1) + 10*a(n-2), with a(1)=0 and a(2)=1.at n=7A180250