87712

Appears in sequences

• Combined Diophantine Chebyshev sequences A054488 and A077413.at n=13A077241
• Bisection (odd part) of Chebyshev sequence with Diophantine property.at n=6A077413
• Number of right triangles on a (n+1)X8 grid.at n=30A189812
• Numbers k such that (5*10^k - 473)/9 is prime.at n=21A295969
• Number of edges formed in a square by straight line segments when connecting the n-1 points between each corner that divide each edge into n equal parts to the n-1 points on the edge on the opposite side of the square.at n=14A355800