A264030 Primes p such that A203069(p) is also prime.

3, 5, 7, 11, 13, 17, 19, 37, 41, 43, 47, 53, 61, 71, 73, 89, 97, 103, 107, 109, 127, 131, 137, 139, 151, 163, 167, 173, 191, 193, 197, 211, 223, 227, 233, 239, 241, 257, 263, 269, 277, 283, 293, 311, 313, 317, 331, 347, 349, 359, 367, 379, 397, 419, 433, 443, 449

Offset: 1

Author

Bill McEachen, Nov 01 2015

Keywords

• nonn

Comments

This provides an ordered subset of the prime numbers.

Examples

			A203069(3)=7, both are prime numbers, so the 1st entry=3.
A203069(53)=53, both are prime numbers, so the 12th entry=53.
		

Crossrefs

Cf. A203069.

Extensions

More terms from Michel Marcus, Nov 02 2015