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 A089050 #5 Oct 01 2018 10:16:50 %S A089050 0,0,0,0,0,1,1,1,2,2,2,2,3,2,3,3,3,2,3,2,4,3,4,3,4,2,4,3,4,3,4,1,3,2, %T A089050 3,2,5,3,4,3,5,3,5,3,5,3,4,1,4,2,4,3,5,3,4,1,4,3,4,1,4,1,1,0,3,2,3,2, %U A089050 5,3,4,3,6,3,5,3,5,3,4,1,5,3,5,3,6,3,4,1,5,3,4,1,4,1,1,0,4,2,4,3,5,3,4,1,5 %N A089050 Number of ways of writing n as a sum of exactly 5 powers of 2. %C A089050 The powers do not need to be distinct. %H A089050 Alois P. Heinz, <a href="/A089050/b089050.txt">Table of n, a(n) for n = 0..65536</a> %Y A089050 A column of A089052. Cf. A036987, A075897, A089048, A089049, A089051, A089053. %K A089050 nonn %O A089050 0,9 %A A089050 _N. J. A. Sloane_, Dec 03 2003