A050653 Numbers n such that number of primes produced according to rules stipulated in Honaker's A048853 is 2.

20, 22, 24, 25, 26, 28, 30, 32, 34, 35, 36, 38, 50, 52, 54, 55, 56, 58, 60, 62, 64, 65, 66, 68, 80, 82, 84, 85, 86, 88, 150, 152, 154, 155, 156, 158, 160, 162, 164, 165, 166, 168, 170, 172, 174, 175, 176, 178, 230, 232, 234, 235, 236, 238, 250, 252, 254, 255, 256

Offset: 1

Author

Patrick De Geest, Jul 15 1999

Keywords

• nonn
• base

Examples

			Altering a(1)=20 gives 2 primes: 23 and 29.
		

Crossrefs

Cf. A048853, A050662, A050664.