69917

Appears in sequences

• Numbers whose base-4 representation has exactly 9 runs.at n=7A043600
• Numbers n such that number of runs in the base 4 representation of n is congruent to 1 mod 8.at n=31A043851
• Numbers n such that number of runs in the base 4 representation of n is congruent to 0 mod 9.at n=7A043858
• Numbers k such that number of runs in the base 4 representation of k is congruent to 9 mod 10.at n=7A043876
• a(n) = N(5,n), where N(5,x) is the 5th Narayana polynomial.at n=14A090198