3315425

Appears in sequences

• a(n) = n*Pell(n-2).at n=17A093969
• Positive numbers y such that y^2 is of the form x^2+(x+17)^2 with integer x.at n=22A155923
• a(n) = 6*a(n-1)-a(n-2) for n > 2; a(1) = 17, a(2) = 85.at n=7A156157