527456557

Properties

Appears in sequences

• a(n) = n! + Sum_{k=1..n-1} (n-k)*k! = n! + A014145(n-1); for n >= 2, number of m such that any two consecutive digits of the base-n expansion of m differ by 1 after arranging the digits in decreasing order.at n=11A370369
• Prime numbersat n=27724016