353701domain: NAppears in sequencesNumber of prime palindromes with n digits.at n=12A016115a(n) is the number of prime palindromes with 2n+1 digits.at n=6A040025Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..3 array extended with zeros and convolved with 1,1.at n=26A222329