4806084domain: NAppears in sequencesPalindromes expressible as the sum of 4 consecutive palindromes.at n=24A046499a(n) = smallest palindrome > a(n-1) such that a(1)*a(2)*...*a(n) + 1 and a(1)*a(2)*...*a(n) - 1 are primes.at n=16A051955