55255

Appears in sequences

• Palindromic in bases 4 and 10.at n=13A029961
• Number of polygonal cacti (Husimi graphs) with n nodes.at n=19A035085
• Numbers having four 5's in base 10.at n=12A043512
• n + sigma(n) + phi(n) is a cube.at n=15A116008
• Expansion of x^5/(x^6-x^4-x^2-x+1).at n=26A245437
• Palindromes in base 10 >= 256 that remain palindromes when the digits are reversed in base 256.at n=3A253147
• Nontrivial palindromes in base 10 and base 256.at n=0A253148
• Sum of first n Honaker primes.at n=26A276255
• a(n) = 5*(10^(2*n+1)-1)/9 - 3*10^n.at n=2A332152