4379769

Appears in sequences

• Numerators of continued fraction convergents to sqrt(77).at n=13A041136
• a(n) = 9*a(n-1)-a(n-2); a(0)=2, a(1)=9.at n=7A056918
• a(n) = 2 * T(n,(n+2)/2) where T(n,x) is a Chebyshev polynomial of the first kind.at n=7A343261