72741

Appears in sequences

• Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-12).at n=25A023442
• a(n) = 7 + floor((2 + Sum_{j=1..n-1} a(j))/3).at n=32A120153
• Consider n equally spaced points along a line and join every pair of points by a semicircle above the line; a(n) is the number of intersection points.at n=39A290447