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 A018043 #16 Sep 08 2022 08:44:44
%S A018043 1,3,8,23,65,186,529,1504,4278,12167,34601,98402,279841,795831,
%T A018043 2263236,6436343,18304103,52054435,148035889,420994377,1197252006,
%U A018043 3404825447,9682870661,27536796143,78310985281,222706025200,633346311281,1801152661463,5122238579606
%N A018043 Powers of cube root of 23 rounded to nearest integer.
%H A018043 Vincenzo Librandi, <a href="/A018043/b018043.txt">Table of n, a(n) for n = 0..200</a>
%t A018043 Round[(Power[23, 1/3])^Range[0,40]] (* _Harvey P. Dale_, Jan 13 2011 *)
%t A018043 Table[Round[23^(n/3)], {n, 0, 40}] (* _Vincenzo Librandi_, Jan 09 2014 *)
%o A018043 (Magma) [Round(23^(n/3)): n in [0..40]]; // _Vincenzo Librandi_, Jan 09 2014
%o A018043 (PARI) vector(40, n, n--; round(23^(n/3)) ) \\ _G. C. Greubel_, May 19 2019
%o A018043 (Sage) [round(23^(n/3)) for n in (0..40)] # _G. C. Greubel_, May 19 2019
%Y A018043 Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), this sequence (k=23), A018046 (k=24).
%K A018043 nonn
%O A018043 0,2
%A A018043 _N. J. A. Sloane_
%E A018043 More terms from _Vincenzo Librandi_, Jan 09 2014