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A018015
Powers of cube root of 14 rounded down.
21
1, 2, 5, 14, 33, 81, 196, 472, 1138, 2744, 6613, 15939, 38416, 92588, 223150, 537824, 1296232, 3124104, 7529536, 18147252, 43737461, 105413504, 254061541, 612324458, 1475789056, 3556861576, 8572542414, 20661046784, 49796062076, 120015593799, 289254654976
OFFSET
0,2
LINKS
MATHEMATICA
Table[Floor[14^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 06 2014 *)
Floor[Surd[14, 3]^Range[0, 30]] (* Harvey P. Dale, Apr 01 2019 *)
PROG
(Magma) [Floor(14^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 06 2014
(PARI) a(n)=sqrtnint(14^n, 3) \\ Charles R Greathouse IV, Feb 02 2017
CROSSREFS
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).
Sequence in context: A125615 A096772 A090803 * A080039 A344236 A374699
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 06 2014
STATUS
approved