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 A017922 #16 Sep 08 2022 08:44:43 %S A017922 1,2,6,14,36,88,216,529,1296,3174,7776,19047,46656,114283,279936, %T A017922 685700,1679616,4114202,10077696,24685212,60466176,148111277, %U A017922 362797056,888667667,2176782336,5332006004,13060694016 %N A017922 Powers of sqrt(6) rounded down. %H A017922 Vincenzo Librandi, <a href="/A017922/b017922.txt">Table of n, a(n) for n = 0..1000</a> %t A017922 Floor[(Sqrt[6])^Range[0,30]] (* _Harvey P. Dale_, Feb 14 2011 *) %o A017922 (PARI) a(n)=sqrtint(6^n) \\ _Charles R Greathouse IV_, Nov 18 2011 %o A017922 (Magma) [Floor(Sqrt(6^n)): n in [0..40]]; // _Vincenzo Librandi_, Nov 20 2011 %K A017922 nonn %O A017922 0,2 %A A017922 _N. J. A. Sloane_