A161543 - OEIS

%I #7 Sep 03 2021 01:59:38

%S 6,10,12,14,16,18,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,42,45,

%T 46,48,49,50,51,52,54,55,56,58,60,62,65,68,69,70,72,74,75,76,77,78,82,

%U 84,85,86,87,88,90,92,93,95,98,99,100,102,104,105,106,108,110,111,112,116

%N The m-th composite number composite(m) is a term iff composite(m) + m is composite.

%C 6 is composite(2) and 6+2 = 8 is composite, so 6 is a term.

%C 10 is composite(5) and 10+5 = 15 is composite, so 10 is a term.

%Y Cf. A002808.

%K nonn

%O 1,1

%A _Claudio Meller_, Jun 13 2009