69926

Appears in sequences

• Numbers whose base-4 representation has exactly 9 runs.at n=13A043600
• Numbers n such that number of runs in the base 4 representation of n is congruent to 1 mod 8.at n=37A043851
• Numbers n such that number of runs in the base 4 representation of n is congruent to 0 mod 9.at n=13A043858
• Numbers k such that number of runs in the base 4 representation of k is congruent to 9 mod 10.at n=13A043876
• Numbers n such that n is R(n)-th composite number where R(n) is the digit reversal of n (A002808(A004086(n))=n).at n=2A100414
• Start with 1 and repeatedly reverse the digits and add 55 to get the next term.at n=40A118161
• E.g.f. satisfies: A(x) = exp( x * (1 + A(x)^5)/2 ).at n=5A349716