50805

Appears in sequences

• Numbers that are palindromic and divisible by 5.at n=31A043040
• Nontrivial palindromes k such that phi(k) is also a palindrome.at n=3A067723
• Numbers n such that phi(reversal(n)) = reversal(phi(n)). Ignore leading 0's.at n=21A069282
• Numbers n such that n and phi(n) are both palindromes.at n=12A069747
• a(n) = floor(10^n/3^n).at n=9A094977
• Floor((n+1/n)^9).at n=2A197710
• Round((n+1/n)^9).at n=2A198074
• Number of length n+2 0..6 arrays with no three unequal elements in a row and no three equal elements in a row and new values 0..6 introduced in 0..6 order.at n=12A243725
• Palindromes of the form i^2 + reverse(i)^2.at n=16A256398
• Palindromes of the form 4n + 1 that are divisible by 5.at n=19A256704
• Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A336957.at n=21A337644