58085
domain: N
Appears in sequences
- Numerators of continued fraction convergents to sqrt(201).at n=11A041372
- Largest palindromic substring in 4^n.at n=37A046262
- Nontrivial palindromes k such that phi(k) is also a palindrome.at n=5A067723
- Numbers n such that phi(reversal(n)) = reversal(phi(n)). Ignore leading 0's.at n=23A069282
- Numbers n such that n and phi(n) are both palindromes.at n=14A069747
- n-th largest palindrome whose digit sum is n.at n=25A082265
- Diagonal of A083464.at n=25A083465
- Palindromes whose smallest palindromic proper multiple is the number concatenated with itself.at n=12A119368
- a(n) = number of n-lettered words in the alphabet {1, 2, 3} with as many occurrences of the substring (consecutive subword) [1, 2] as of [2, 3].at n=11A211281
- Number of integer solutions to (x_1)^2 + (x_2)^2 + ... + (x_10)^2 <= n.at n=7A341399