A385201 Palindromic primes indexed by palindromic primes.

3, 5, 11, 131, 313, 94349, 1123211, 1212121, 1360631, 1422241, 3075703, 3293923, 3400043, 3447443, 9711179, 9852589, 100161001, 101171101, 108505801, 109111901, 13929592931, 14125852141, 14209390241, 14895559841, 14986568941, 15911711951, 16172327161, 16257475261, 16727672761

Offset: 1

Author

Alexander Yutkin, Jun 21 2025

Keywords

• nonn
• base
• easy

Examples

			a(3) = 11 because a(3) = A002385(A002385(3)) = A002385(5) = 11.
		

Crossrefs

Subsequence of A002385.

Cf. A000040, A002113.

Formula

a(n) = A002385(A002385(n)).