A230228 - OEIS

%I #7 Apr 27 2019 21:04:36

%S 2,191,1123529253211,3868168229228618683,164471141292141174461

%N a(n) is the smallest palindromic prime that is the first of n consecutive palindromic primes whose product of digits is equal and nonzero.

%C a(6) > 10^22.

%e a(2) = 191, since 191 and 313 are two consecutive palindromic primes with product of digits as 9 and this is the first occurrence of two consecutive palindromic primes whose product of digits is equal and nonzero.

%Y Cf. A002385, A007954, A053666, A230200, A230082.

%K base,nonn,more

%O 1,1

%A _Shyam Sunder Gupta_, Oct 12 2013