53566

Appears in sequences

• a(n) = ceiling(n*phi^17), where phi is the golden ratio, A001622.at n=15A004972
• a(n) = Sum of all divisors of all numbers < (n+1)^2.at n=14A168013
• Irregular triangle read by rows: T(n,k) is the number of polysticks of size k, i.e., connected subsets of k edges, of the n X n flat torus, up to cyclic shifts and reflections of rows and columns; 1 <= k <= 2*n^2.at n=52A385388