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 A234807 #10 Jan 28 2015 12:36:34 %S A234807 290820868,317905108,334924359,386701579,410462993,430633085, %T A234807 450386207,496134209,497139452,506357969,512009197,569460772, %U A234807 575975131,591209927,610822599,614873651,629703599,631663805,633469126,639469209,646979667,653881935,655868095,667339573,670551372,671340268,683785921,685156087,688027096,691835240,697292668,699064544,704612343,726061538,728089825,728181784,741074998,744468818,746608748,757808994,759905586,765676755,780529002,786534273,789003709,796802580,800377442,801750239,806387304,812855326,813420086,813681557,815491060,825681191,828760765,829863622,837043455,839146137,841626023,841762448,842201604,842565345,844942623,848196704 %N A234807 Positions of 6's in A234323. %Y A234807 Cf. A234323, A234800, A234802, A234803, A234804, A234805, A234806. %K A234807 nonn %O A234807 1,1 %A A234807 _Simon Plouffe_ and _Robert G. Wilson v_, Dec 30 2013