50251

Appears in sequences

• Strong pseudoprimes to base 60.at n=20A020286
• Numerators of partial sums of a series for Pi*sqrt(2)/4.at n=6A127676
• G.f. A(x) satisfies: A(x) = (1 - x) / (1 - 2 * x - x^2 - x^2 * A(x)).at n=10A349185
• Number of intersection points formed by drawing all least squares regression lines fitted to n points (j,y_j), 0 <= j < n, where each y_j is 0 or 1.at n=12A371437