171586

Appears in sequences

• Smallest number k such that x/(sum of digits of x) = k has exactly n solutions.at n=20A058913
• Number of binary words of length n containing no subword 11011.at n=18A210021
• Number T(n,k) of binary words of length n containing exactly k (possibly overlapping) occurrences of the subword 11011; triangle T(n,k), n>=0, k=0..max(0,floor((n-2)/3)), read by rows.at n=53A277678