A237438 Double Hex-primes: let f(n) = A102489(n); then sequence lists primes p such that f(p) and f(f(p)) are also primes.

2, 3, 5, 7, 11, 43, 47, 53, 59, 61, 89, 97, 101, 139, 151, 167, 199, 241, 251, 257, 269, 281, 337, 373, 443, 557, 599, 607, 647, 653, 829, 971, 1051, 1093, 1163, 1223, 1279, 1327, 1433, 1459, 1499, 1549, 1583, 1597, 1607

Offset: 1

Author

Andreas Boe, Feb 07 2014

Keywords

• nonn
• base

Comments

This sequence is a subset of A103144.

Examples

			Dec61=prime -> Hex61=Dec97=prime -> Hex97=Dec151=prime.
		

Links

• Andreas Boe, Table of n, a(n) for n = 1..6084

Crossrefs

Cf. A102489.

Cf. A103144 (Hex-primes), A237439 (Triple Hex-primes), A237440 (Quadruple Hex-primes), A237441 (Quintuple Hex-primes).