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

1,1

Comments

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

Links

Table of n, a(n) for n=1..60.

Example

15 = 3 + 5 + 7.

Mathematica

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

Crossrefs

Cf. A224534 (primes in this sequence).

Sequence in context: A217406 A181664 A348517 * A225861 A329184 A077349

Adjacent sequences: A224532 A224533 A224534 * A224536 A224537 A224538

Keyword

nonn

Author

T. D. Noe, Apr 15 2013

Extensions

"Odd" added by Irina Gerasimova, Apr 15 2013

Status

approved