84711

Appears in sequences

• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+409)^2 = y^2.at n=10A129641
• a(n) = (prime(n)^3 - prime(n^3))/2.at n=17A143680
• Expansion of (1-sqrt(1-4*x^4/(1-x)^4))/(2*x^4*(1-x)).at n=14A270784