72833

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and w*x+y*z>n^2.at n=30A212136
• Lengths of binary representations of prime Fibonacci numbers.at n=33A215367
• Number of n X 3 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 3 array.at n=35A219699
• a(n) = Sum_{k=1..n} 2^(n - floor(n/k)).at n=13A345108