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 A174130 #2 Mar 30 2012 18:52:39 %S A174130 5,35,11,65,77,143,17,95,119,209,221,323,23,125,161,275,299,425,437, %T A174130 575,29,155,217,341,377,527,551,713,725,999,35,185,245,407,455,529, %U A174130 565,851,875,1073,1085,1295,41,215,287,473,533,731,779,943,1075,1189 %N A174130 List of numbers k such that k=6*r-1=m*q, m>=q and n>=g where m=6*n-1 or m=6*n+1 and q=6*g-1 or 6*g+1. %C A174130 Alternating triangle A173865 read by odd rows. A173825 U A174130 = A173865. %e A174130 a(1)=5 because 5=6*1-1=(6*1-1)*(6*0+1); a(2)=35 because 35=6*6-1=(6*1-1)*(6*1+1); a(3)=11 because 11=6*2-1=(6*2-1)*(6*0+1). %Y A174130 Cf. A173825, A173865. %K A174130 nonn %O A174130 1,1 %A A174130 _Juri-Stepan Gerasimov_, Mar 09 2010