A230229 - OEIS

%I #10 Apr 27 2019 21:03:47

%S 2,11,74747,185595581,16831813861,94350482728405349,

%T 3842148274728412483,30308322353935322380303

%N a(n) is the smallest palindromic prime that is the first of n consecutive palindromic primes with equal digit sum.

%C a(9) > 10^24.

%e a(3) = 74747, since 74747, 75557 and 76367 are three consecutive palindromic primes with digit sum 29 and this is the first occurrence of three consecutive palindromic primes with equal digit sum.

%Y Cf. A071613, A002385, A007953, A007605, A230199.

%K base,more,nonn

%O 1,1

%A _Shyam Sunder Gupta_, Oct 12 2013

%E a(8) from _Shyam Sunder Gupta_, Nov 09 2013