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 A194201 #8 Oct 28 2017 21:38:26
%S A194201 0,1,2,4,6,9,12,15,19,23,28,34,40,46,53,60,67,75,84,93,102,112,123,
%T A194201 134,146,159,172,185,199,214,229,245,261,278,295,313,331,350,369,388,
%U A194201 408,428,449,471,493,515,538,561,584,608,633,658,683,709,736,763
%N A194201 Partial sums of A194200.
%H A194201 G. C. Greubel, <a href="/A194201/b194201.txt">Table of n, a(n) for n = 1..1000</a>
%t A194201 r = E;
%t A194201 a[n_] := Floor[Sum[FractionalPart[k*r], {k, 1, n}]]
%t A194201 Table[a[n], {n, 1, 90}] (* A194200 *)
%t A194201 s[n_] := Sum[a[k], {k, 1, n}]
%t A194201 Table[s[n], {n, 1, 100}] (* A194201 *)
%Y A194201 Cf. A194200.
%K A194201 nonn
%O A194201 1,3
%A A194201 _Clark Kimberling_, Aug 19 2011