A146538 - OEIS

%I #5 Oct 15 2012 18:35:42

%S 6,12,18,22,24,30,32,36,42,46,48,52,54,60,62,66,72,74,78,82,84,88,90,

%T 92,96,102,108,112,114,116,118,120,122,126,130,132,138,140,142,144,

%U 150,152,156,158,162,166,168,172,174,180,182,184,186,192,198,200,202,204,206

%N Even numbers n such that n+3 is not a prime.

%t Select[2*Range[150],!PrimeQ[#+3]&] (* _Harvey P. Dale_, Oct 15 2012 *)

%Y Cf. A086801.

%K easy,nonn

%O 1,1

%A _Giovanni Teofilatto_, Oct 31 2008

%E 54 and 66 inserted, 7274 split, 78 inserted, 176 removed by _R. J. Mathar_, Dec 04 2008