248016

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 83.at n=5A031761
• Triangle read by rows: T(n,k) = (1/k) times the number of functions from an n-element set into but not onto a k-element set.at n=33A101031
• a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks the digits 1,2,3,4 and at least one of digits 5,6,7,8,9.at n=6A126634
• Number of length-5 0..n arrays with no repeated value differing from the previous repeated value by plus or minus one modulo n+1.at n=10A269691