52825

Appears in sequences

• Palindromic in bases 10 and 11.at n=22A029966
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 15.at n=33A031603
• Largest palindromic substring in 4^n.at n=34A046262
• Zeroless numbers n such that n and n - (product of digits of n) are both palindromes.at n=39A229761
• a(1)=8; for n>=1, a(n+1) is the smallest palindromic 3-almost prime with a(n) as a central substring.at n=2A247484
• Palindromes of the form 4n + 1 that are divisible by 5.at n=29A256704
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 377", based on the 5-celled von Neumann neighborhood.at n=41A271463