988985

Appears in sequences

• Numerators of continued fraction convergents to sqrt(648).at n=6A042244
• a(n) = 2*a(n-1) + a(n-2) for n > 1; a(0) = 3, a(1) = 11.at n=14A164303
• Numbers k such that k^2 + 23 is twice a square.at n=14A387549