83825280

Appears in sequences

• "Reverse factorials": product of the digit reversals of the numbers 1 through n.at n=12A062919
• Duplicate of A062919.at n=12A084012
• Triangular array read by rows: T(n,k) is the number of endofunctions, functions f:{1,2,...,n}->{1,2,...,n}, that have exactly k elements with no preimage; n>=0, 0<=k<=n.at n=47A219859
• Triangle read by rows: T(n,k) (n>=1, 3<=k<=n+2) is the number of k-sequences of balls colored with n colors such that exactly two balls are of a color seen previously in the sequence.at n=42A281944