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 A017976 #17 Sep 08 2022 08:44:43 %S A017976 1,4,24,117,576,2821,13824,67723,331776,1625363,7962624,39008731, %T A017976 191102976,936209559,4586471424,22469029417,110075314176,539256706015, %U A017976 2641807540224,12942160944371,63403380965376 %N A017976 Powers of sqrt(24) rounded down. %H A017976 Vincenzo Librandi, <a href="/A017976/b017976.txt">Table of n, a(n) for n = 0..700</a> %F A017976 a(n) = floor(sqrt(24^n)). - _Vincenzo Librandi_, Jun 24 2011 %t A017976 Floor[(Sqrt[24])^Range[0,20]] (* _Harvey P. Dale_, Mar 01 2015 *) %o A017976 (Magma) [Floor(Sqrt(24^n)): n in [0..30]]; // _Vincenzo Librandi_, Jun 24 2011 %o A017976 (PARI) a(n)=sqrtint(24^n) \\ _Charles R Greathouse IV_, Nov 18 2011 %Y A017976 Cf. A010480 (sqrt(24)). %K A017976 nonn %O A017976 0,2 %A A017976 _N. J. A. Sloane_