44127009

Appears in sequences

• Card-matching numbers (Dinner-Diner matching numbers).at n=34A059062
• Number of permutations of n distinct letters (ABCD...) each of which appears 5 times and having no fixed points.at n=4A123297
• Number of derangements of a multiset comprising n repeats of a 4-element set.at n=5A371252
• Square array read by antidiagonals: T(n,k) is the number of derangements of a multiset comprising n repeats of a k-element set.at n=50A372307