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 A179370 #10 Jun 18 2017 02:18:51 %S A179370 16,23,163,184,464,499,919,968,1528,1591,2291,2368,3208,3299,4279, %T A179370 4384,5504,5623,6883,7016,8416,8563,10103,10264,11944,12119,13939, %U A179370 14128,16088,16291,18391,18608,20848,21079,23459,23704,26224,26483 %N A179370 Positive integers of the form (7*m^2+1)/11. %C A179370 Here m=(11*(2*n-1)-9*(-1)^n)/4 for n>0. %H A179370 B. Berselli, <a href="/A179370/b179370.txt">Table of n, a(n) for n = 1..10000</a>. %H A179370 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (1,2,-2,-1,1). %F A179370 a(n) = (154*n*(n-1)-63*(2*n-1)*(-1)^n+65)/8. %F A179370 G.f.: x*(16+7*x+108*x^2+7*x^3+16*x^4)/((1+x)^2*(1-x)^3). %F A179370 a(n) = a(-n+1) = a(n-1)+2*a(n-2)-2*a(n-3)-a(n-4)+a(n-5). %Y A179370 Cf. A113338, A179088, A179337, A179338, A179339. %K A179370 nonn,easy %O A179370 1,1 %A A179370 _Bruno Berselli_, Jul 12 2010