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 A174041 #5 Aug 24 2012 11:14:00 %S A174041 8,9,14,15,20,21,26,27,32,33,38,39,44,45,50,51,56,57,62,63,68,69,74, %T A174041 75,80,81,86,87,92,93,98,99,104,105,110,111,116,117,122,123,128,129, %U A174041 134,135,140,141,146,147,152,153,158,159,164,165,170,171,176,177,182,183 %N A174041 Composites of the form 6n+2 or 6n+3. %F A174041 a(n)=A047243(n+2). %F A174041 a(2n-1) = 6n+2, a(2n) = 6n+3. %e A174041 a(1)=8 because 6*1+2=8; a(2)=9 because 6*1+3=9. %Y A174041 Cf. A047243. %K A174041 nonn %O A174041 1,1 %A A174041 _Juri-Stepan Gerasimov_, Mar 06 2010 %E A174041 Entries checked by _R. J. Mathar_, Apr 26 2010