3993445276
domain: N
Appears in sequences
- Card-matching numbers (Dinner-Diner matching numbers).at n=45A059060
- Number of derangements of a multiset comprising 4 repeats of an n-element set.at n=5A059074
- 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=49A372307