919685

Appears in sequences

• Values of c in a^2 + b^2 = c^2, where b - a = 17 and gcd(a,b,c)=1.at n=12A117472
• Positive numbers y such that y^2 is of the form x^2+(x+17)^2 with integer x.at n=20A155923
• a(n) = 6*a(n-1) - a(n-2) for n > 2; a(1) = 25, a(2) = 137.at n=6A156158