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A018017
Powers of cube root of 14 rounded up.
21
1, 3, 6, 14, 34, 82, 196, 473, 1139, 2744, 6614, 15940, 38416, 92589, 223151, 537824, 1296233, 3124105, 7529536, 18147253, 43737462, 105413504, 254061542, 612324459, 1475789056, 3556861577, 8572542415, 20661046784, 49796062077, 120015593800, 289254654976
OFFSET
0,2
LINKS
MATHEMATICA
Table[Ceiling[14^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 09 2014 *)
Ceiling[Surd[14, 3]^Range[0, 40]] (* Harvey P. Dale, Jan 04 2023 *)
PROG
(Magma) [Ceiling(14^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 09 2014
CROSSREFS
Cf. powers of cube root of k ceiling up: A017981 (k=2), A017984 (k=3), A017987 (k=4), A017990 (k=5), A017993 (k=6), A017996 (k=7), A018002 (k=9), A018005 (k=10), A018008 (k=11), A018011 (k=12), A018014 (k=13), this sequence (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).
Sequence in context: A339600 A078062 A275873 * A184785 A350678 A332362
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 09 2014
STATUS
approved