A077969 Numbers which can be expressed as the sum of two distinct primes in exactly three ways.

24, 30, 34, 40, 44, 46, 52, 56, 58, 98, 122, 128

Offset: 1

Author

Shyam Sunder Gupta, Mar 29 2003

Keywords

• nonn

Examples

			30 is a term as 30 = 23+7 = 19+11 = 17+13 are the only three ways to express 30 as a sum of three distinct primes.
		

Crossrefs

Cf. A077914 (2 ways), A078299 (4 ways), A080854 (5 ways), A080862 (6 ways).