118353

Appears in sequences

• Consider all sublists of [(2,1),(3,2,1),(4,3,2,1),...,(n,...,4,3,2,1)] and multiply these permutations in that order. How many of the products are n-cycles?at n=21A068330
• Constant term of the reduction by x^2->x+1 of the polynomial p(n,x) defined at Comments.at n=13A193046