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

1,1

Links

Table of n, a(n) for n=1..29.

Formula

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

Example

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

Crossrefs

Subsequence of A002385.

Cf. A000040, A002113.

Sequence in context: A089628 A083841 A277552 * A154941 A062601 A231017

Adjacent sequences: A385198 A385199 A385200 * A385202 A385203 A385204

Keyword

nonn,base,easy

Author

Alexander Yutkin, Jun 21 2025

Status

approved