34343

Appears in sequences

• Octal palindromes which are also primes.at n=35A006341
• Composite numbers in A083137.at n=12A083138
• Palindromic primes in base 5 (written in base 5).at n=19A117700
• Palindromes with consecutive digits that differ exactly by 1.at n=35A207954
• Palindromes with no palindromic aliquot parts except 1.at n=33A257973
• Convolution of A006068 (inverse of Gray code) with itself: a(n) = Sum_{k=1..n+1} A006068(k) * A006068(1+n-k).at n=51A268721