A252801 Primes whose trajectories under the map x -> A039951(x) enter the cycle {2, 1093}.

2, 5, 7, 13, 17, 23, 29, 31, 37, 41, 43

Offset: 1

Author

Felix Fröhlich, Dec 22 2014

Keywords

• nonn
• hard
• more

Examples

			The trajectory of 31 under the given map starts 31, 7, 5, 2, 1093, 2, 1093, ..., entering the given cycle, so 31 is a term of the sequence.
		

Crossrefs

Cf. A039951, A244550, A252802, A252812.

Extensions

Name edited by Felix Fröhlich, Jun 19 2021