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 A275190 #10 Sep 01 2016 21:36:39 %S A275190 7,15,18,24,28,42,77,91,142,227,261,275,356,374,384,479,501,670,735, %T A275190 763,791,863,1050,1130,1164,1288,1492,1631,1648,1713,1838,2015,2034, %U A275190 2268,2413,2562,2611,2715,2767,3036,3148,3263,3319,3954,4046,4145,4541,4676 %N A275190 Positions of 5 in A274640. %H A275190 Alois P. Heinz, <a href="/A275190/b275190.txt">Table of n, a(n) for n = 1..10075</a> %H A275190 Alois P. Heinz, <a href="/A275190/a275190.jpg">Positions of first 1410 5's in plane of A274640</a> %F A275190 A274640(a(n)) = 5. %Y A275190 Cf. A274640, A275172, A275188, A275189, A275191, A275192, A275193, A275194. %K A275190 nonn %O A275190 1,1 %A A275190 _Zak Seidov_, Jul 19 2016