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 A194149 #8 Jun 09 2023 08:16:04
%S A194149 1,4,8,14,22,31,42,55,69,85,102,121,142,164,188,214,241,270,301,333,
%T A194149 367,402,439,478,518,560,604,649,696,745,795,847,900,955,1012,1070,
%U A194149 1130,1192,1255,1320,1386,1454,1524,1595,1668,1743,1819,1897,1977
%N A194149 Sum_{floor(j*(5-sqrt(3))/2) : 1<=j<=n}; n-th partial sum of Beatty sequence for (5-sqrt(3))/2.
%t A194149 c[n_] := Sum[Floor[j*(5-Sqrt[3])/2], {j, 1, n}];
%t A194149 c = Table[c[n], {n, 1, 90}]
%Y A194149 Cf. A182772 (Beatty sequence for (5-sqrt(3))/2).
%K A194149 nonn
%O A194149 1,2
%A A194149 _Clark Kimberling_, Aug 17 2011