A224535 Odd numbers that are the sum of three distinct prime numbers.

15, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 131, 133, 135

Offset: 1

Author

T. D. Noe, Apr 15 2013

Keywords

• nonn

Comments

Odd terms in A124867. - R. J. Mathar, Jun 09 2014

Examples

			15 = 3 + 5 + 7.
		

Crossrefs

Cf. A224534 (primes in this sequence).

Programs

Mathematica

Union[Total /@ Subsets[Prime[Range[2, 30]], {3}]]

Extensions

"Odd" added by Irina Gerasimova, Apr 15 2013