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 A140233 #20 Jul 15 2025 10:32:52 %S A140233 5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100,105,110, %T A140233 115,121,126,131,136,141,146,151,156,161,166,171,176,181,186,191,196, %U A140233 201,206,211,216,221,226,231,237,242,247,252,257,262,267,272,277,282 %N A140233 a(n) = floor(n*e^((1+sqrt(5))/2)) = floor(n*A139341). %t A140233 a[n_]:=Floor[n*Exp[GoldenRatio]];Array[a,60] (* _James C. McMahon_, Jul 07 2025 *) %Y A140233 Cf. A001622, A139341, A140231, A140232. %K A140233 nonn %O A140233 1,1 %A A140233 _Mohammad K. Azarian_, May 13 2008