This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A141098 #7 Mar 23 2022 12:07:09
%S A141098 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,36,38,40,42,48,50,54,56,
%T A141098 60,66,70,72,78,80,84,90,96,108,110,120,126,132,138,140,150,180,210
%N A141098 Even numbers not representable as the sum of two coprime composite numbers.
%C A141098 210 is the last term.
%t A141098 t = Table[Length[Select[Range[2, n/2], ! PrimeQ[#] && ! PrimeQ[n - #] && GCD[#, n - #] == 1 &]], {n, 2, 2000, 2}]; Flatten[2*Position[t, 0]] (* _T. D. Noe_, Dec 05 2013 *)
%Y A141098 This sequence is a superset of A141096. See A141097.
%K A141098 nonn,fini,full
%O A141098 1,1
%A A141098 _T. D. Noe_, Jun 02 2008