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 A194141 #7 Feb 27 2023 08:07:31
%S A194141 3,10,21,35,53,75,101,130,163,200,241,285,333,385,440,499,562,629,699,
%T A194141 773,851,933,1018,1107,1200,1297,1397,1501,1609,1720,1835,1954,2077,
%U A194141 2203,2333,2467,2605,2746,2891,3040,3193,3349,3509,3673,3840,4011
%N A194141 Sum{floor(j*(2+sqrt(3))) : 1<=j<=n}; n-th partial sum of Beatty sequence for 2+sqrt(3).
%t A194141 c[n_] := Sum[Floor[j*(2+Sqrt[3])], {j, 1, n}];
%t A194141 c = Table[c[n], {n, 1, 90}]
%Y A194141 Cf. A003512 (Beatty sequence for 2+sqrt(3)).
%K A194141 nonn
%O A194141 1,1
%A A194141 _Clark Kimberling_, Aug 17 2011