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 A048114 #10 Oct 07 2016 03:32:49
%S A048114 0,0,1,2,2,4,8,12,24,48,84,168,336,624,1248,2496,4776,9552,19104,
%T A048114 37152,74304,148608,291768,583536,1167072,2304912,4609824,9219648,
%U A048114 18277776,36555552,73111104,145309104,290618208,581236416,1157215824,2314431648,4628863296
%N A048114 a(n) = Sum{T(n,i): i=0,1,...,n}, where T is given by A048113.
%H A048114 Alois P. Heinz, <a href="/A048114/b048114.txt">Table of n, a(n) for n = 0..1000</a>
%F A048114 a(n) ~ c * 2^n, where c = 0.066435475996562940044218... . - _Vaclav Kotesovec_, Oct 07 2016
%Y A048114 Cf. A048113.
%K A048114 nonn
%O A048114 0,4
%A A048114 _Clark Kimberling_