226603

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=22A068330
• Expansion of Sum_{n>=1} q^(n*(n-1)) / (1-q)^n.at n=54A321481