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 A246171 #10 Aug 08 2025 01:54:11 %S A246171 3,7,11,15,19,23,27,30,34,38,42,46,50,54,58,61,65,69,73,77,81,85,89, %T A246171 92,96,100,104,108,112,116,120,123,127,131,135,139,143,147,151,154, %U A246171 158,162,166,170,174,178,182,185,189,193,197,201,205,209,213,216 %N A246171 Beatty sequence for sqrt(15). %H A246171 Vincenzo Librandi, <a href="/A246171/b246171.txt">Table of n, a(n) for n = 1..1000</a> %F A246171 a(n) = floor(n*sqrt(15)). %t A246171 a[n_]:=Floor[n Sqrt[15]]; Array[a, 60, 1] %o A246171 (Magma) [Floor(n*Sqrt(15)): n in [1..70]]; %Y A246171 Cf. similar sequences listed in A246170. %K A246171 nonn,easy %O A246171 1,1 %A A246171 _Vincenzo Librandi_, Aug 20 2014