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 A017993 #10 Sep 08 2022 08:44:44
%S A017993 1,2,4,6,11,20,36,66,119,216,393,714,1296,2355,4280,7776,14130,25676,
%T A017993 46656,84780,154055,279936,508678,924329,1679616,3052065,5545970,
%U A017993 10077696,18312389,33275820,60466176,109874334,199654915,362797056,659246002
%N A017993 Powers of cube root of 6 rounded up.
%H A017993 Vincenzo Librandi, <a href="/A017993/b017993.txt">Table of n, a(n) for n = 0..200</a>
%t A017993 Table[Ceiling[6^(n/3)], {n, 0, 40}] (* _Vincenzo Librandi_, Jan 09 2014 *)
%o A017993 (Magma) [Ceiling(6^(n/3)): n in [0..50]]; // _Vincenzo Librandi_, Jan 09 2014
%Y A017993 Cf. powers of cube root of k ceiling up: A017981 (k=2), A017984 (k=3), A017987 (k=4), A017990 (k=5), this sequence (k=6), A017996 (k=7), A018002 (k=9), A018005 (k=10), A018008 (k=11), A018011 (k=12), A018014 (k=13), A018017 (k=14), A018020 (k=15), A018023 (k=16), A018026 (k=17), A018029 (k=18), A018032 (k=19), A018035 (k=20), A018038 (k=21), A018041 (k=22), A018044 (k=23), A018047 (k=24).
%K A017993 nonn
%O A017993 0,2
%A A017993 _N. J. A. Sloane_
%E A017993 More terms from _Vincenzo Librandi_, Jan 09 2014