43934

Appears in sequences

• Palindromic in bases 12 and 10.at n=20A029967
• Number of primes <= 3^n.at n=12A055729
• a(n) is the odd-length palindrome whose digits up to the center are those of n and whose center digit is equal to the digital root of the product of the factorial of n and the reverse of n.at n=42A082941
• Smallest palindromic multiple of 11, sum of whose digits at some stage is equal to n.at n=22A083516
• Number of primes < 9^n.at n=6A086682
• Numbers k such that the string k is found at position k^2 in the decimal digits of Pi.at n=4A153230
• Compositions of n into parts 3, 5 and 7.at n=52A245367
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 513", based on the 5-celled von Neumann neighborhood.at n=34A272703
• Palindromes that can be written in more than one way as the sum of two distinct palindromic primes.at n=35A356854
• a(n) = number of primes < n^4.at n=27A380331