A151742 - OEIS

%I #9 Apr 21 2020 13:11:29

%S 27,33,39,45,51,57,63,69,75,81,87,92,102,106,111,117,123,129,134,138,

%T 143,148,153,159,165,171,177,183,188,198,202,207,212,217,222,226,231,

%U 237,243,249,254,258,268,273,279,285,291,297,302

%N Composite numbers which are the sum of four consecutive composite numbers.

%H Harvey P. Dale, <a href="/A151742/b151742.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Total/@Partition[Select[Range[100],CompositeQ],4,1],CompositeQ] (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Apr 21 2020 *)

%Y Cf. A151740, A151741, A151743.

%K nonn

%O 1,1

%A _Claudio Meller_, Jun 15 2009

%E Definition clarified by _Harvey P. Dale_, Apr 21 2020