76400

Appears in sequences

• Coefficient of X^2 in expansion of (1 + n*X + n*X^2)^n.at n=19A092365
• a(n) = numerator of the Y-coordinate of n*P where P is the generator [0,0] for rational points on the curve y^2 + y = x^3 + x^2.at n=10A350624