412048

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|<|x-y|+|y-z|.at n=27A212571
• Irregular triangular array read by rows: T(n,k) is the number of periodic functions on [n] that have order k, n>=0, 1<=k<=A000793(n).at n=37A392061