50754

Appears in sequences

• Sum of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly three ways.at n=10A076456
• Number of Dyck paths of semilength n, having no ascents and no descents of length 1, and having no peaks at even level.at n=21A167638
• Consider the figure made up of a row of n adjacent congruent rectangles, with diagonals of all possible rectangles drawn; a(n) = number of interior vertices where exactly three lines cross.at n=42A336489
• a(n) is the smallest integer k > 0 such that 10^(-n-1) < |sin(k) - round(sin(k))| < 10^(-n).at n=8A346033
• Positive numbers k such that (sin k)^k sets a new record.at n=10A383540