A320680 - OEIS

%I #4 Oct 19 2018 10:26:20

%S 0,2,7,13,31,59,110,191,322,497,743,1053,1469,1998,2698,3574,4696,

%T 6051,7710,9663,11998,14718,17957,21715,26130,31196,37041,43632,51121,

%U 59468,68839,79212,90775,103504,117648,133203,150449,169407,190387,213403,238807

%N Number of 5-element subsets of [n] having a prime element sum.

%H Alois P. Heinz, <a href="/A320680/b320680.txt">Table of n, a(n) for n = 5..500</a>

%Y Column k=5 of A282516.

%K nonn

%O 5,2

%A _Alois P. Heinz_, Oct 19 2018