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 A018015 #15 Sep 08 2022 08:44:44 %S A018015 1,2,5,14,33,81,196,472,1138,2744,6613,15939,38416,92588,223150, %T A018015 537824,1296232,3124104,7529536,18147252,43737461,105413504,254061541, %U A018015 612324458,1475789056,3556861576,8572542414,20661046784,49796062076,120015593799,289254654976 %N A018015 Powers of cube root of 14 rounded down. %H A018015 Vincenzo Librandi, <a href="/A018015/b018015.txt">Table of n, a(n) for n = 0..200</a> %t A018015 Table[Floor[14^(n/3)], {n, 0, 40}] (* _Vincenzo Librandi_, Jan 06 2014 *) %t A018015 Floor[Surd[14,3]^Range[0,30]] (* _Harvey P. Dale_, Apr 01 2019 *) %o A018015 (Magma) [Floor(14^(n/3)): n in [0..40]]; // _Vincenzo Librandi_, Jan 06 2014 %o A018015 (PARI) a(n)=sqrtnint(14^n,3) \\ _Charles R Greathouse IV_, Feb 02 2017 %Y A018015 Cf. powers of cube root of k rounded down: A017979 (k=2), A017982 (k=3), A017985 (k=4), A017988 (k=5), A017991 (k=6), A017994 (k=7), A018000 (k=9), A018003 (k=10), A018006 (k=11), A018009 (k=12), A018012 (k=13), this sequence (k=14), A018018 (k=15), A018021 (k=16), A018024 (k=17), A018027 (k=18), A018030 (k=19), A018033 (k=20), A018036 (k=21), A018039 (k=22), A018042 (k=23), A018045 (k=24). %K A018015 nonn %O A018015 0,2 %A A018015 _N. J. A. Sloane_ %E A018015 More terms from _Vincenzo Librandi_, Jan 06 2014