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A018015 Powers of cube root of 14 rounded down. 21


%S 1,2,5,14,33,81,196,472,1138,2744,6613,15939,38416,92588,223150,

%T 537824,1296232,3124104,7529536,18147252,43737461,105413504,254061541,

%U 612324458,1475789056,3556861576,8572542414,20661046784,49796062076,120015593799,289254654976

%N Powers of cube root of 14 rounded down.

%H Vincenzo Librandi, <a href="/A018015/b018015.txt">Table of n, a(n) for n = 0..200</a>

%t Table[Floor[14^(n/3)], {n, 0, 40}] (* _Vincenzo Librandi_, Jan 06 2014 *)

%t Floor[Surd[14,3]^Range[0,30]] (* _Harvey P. Dale_, Apr 01 2019 *)

%o (MAGMA) [Floor(14^(n/3)): n in [0..40]]; // _Vincenzo Librandi_, Jan 06 2014

%o (PARI) a(n)=sqrtnint(14^n,3) \\ _Charles R Greathouse IV_, Feb 02 2017

%Y 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 nonn

%O 0,2

%A _N. J. A. Sloane_.

%E More terms from _Vincenzo Librandi_, Jan 06 2014

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Last modified July 12 03:14 EDT 2020. Contains 335658 sequences. (Running on oeis4.)