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 A224077 #9 Apr 08 2013 13:17:07 %S A224077 3013118,12101118,100503038,100600318,110231038,123000318,131013118, %T A224077 134213118,211013118,222021118,301002238,310213118,331000318, %U A224077 332101118,411031038,501020158,501112318,510021118,511301118,520005118,700101118,1001003518,1001500158 %N A224077 The smallest number n such that (sum of base 2 digits of n) = (sum of base 10 digits of n) for four consecutive integers. %C A224077 If A037308 is split up into maximal subsets of consecutive integers, the size of these subsets is either two or four. %H A224077 Giovanni Resta, <a href="/A224077/b224077.txt">Table of n, a(n) for n = 1..1000</a> %Y A224077 Cf. A037308. %K A224077 base,nonn %O A224077 1,1 %A A224077 _Reiner Moewald_, Mar 30 2013