A230229 a(n) is the smallest palindromic prime that is the first of n consecutive palindromic primes with equal digit sum.

2, 11, 74747, 185595581, 16831813861, 94350482728405349, 3842148274728412483, 30308322353935322380303

Offset: 1

Author

Shyam Sunder Gupta, Oct 12 2013

Keywords

• base
• more
• nonn

Comments

a(9) > 10^24.

Examples

			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.
		

Crossrefs

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

Extensions

a(8) from Shyam Sunder Gupta, Nov 09 2013