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 A083046 #7 Dec 01 2016 01:35:31
%S A083046 1,6,16,35,67,118,197,319,506,789,1215,1860,2830,4290,6481,9771,14708,
%T A083046 22120,33239,49921,74946,112490,168807,253286,380008,570095,855228,
%U A083046 1282931,1924490,2886828,4330341,6495613,9743524,14615392,21923196
%N A083046 Antidiagonal sums of table A083044.
%F A083046 a(n) = Sum_{k=0..n} T(k, n-k), where T(n, 0) = floor(n*x/(x-1))+1, T(n, k+1) = ceiling(x*T(n, k)), for n>=0, k>=0, with x=3/2.
%Y A083046 Cf. A083044, A083047, A083050, A083045.
%K A083046 nonn
%O A083046 0,2
%A A083046 _Paul D. Hanna_, Apr 18 2003