24712

Appears in sequences

• Coordination sequence for MgCu2, Mg position.at n=39A009931
• Triangle read by rows: T(n,k) = number of functions from an n-element set into but not onto a k-element set.at n=31A101030
• a(n) = the maximum number of distinct tilings of a polyiamond of size n using any combination of polyiamond tiles of sizes 1 through n.at n=12A367172