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A017993 Powers of cube root of 6 rounded up. 21
1, 2, 4, 6, 11, 20, 36, 66, 119, 216, 393, 714, 1296, 2355, 4280, 7776, 14130, 25676, 46656, 84780, 154055, 279936, 508678, 924329, 1679616, 3052065, 5545970, 10077696, 18312389, 33275820, 60466176, 109874334, 199654915, 362797056, 659246002 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..200

MATHEMATICA

Table[Ceiling[6^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 09 2014 *)

PROG

(MAGMA) [Ceiling(6^(n/3)): n in [0..50]]; // 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), 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).

Sequence in context: A254532 A199926 A068330 * A049870 A093970 A333098

Adjacent sequences:  A017990 A017991 A017992 * A017994 A017995 A017996

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

EXTENSIONS

More terms from Vincenzo Librandi, Jan 09 2014

STATUS

approved

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Last modified January 21 22:08 EST 2022. Contains 350480 sequences. (Running on oeis4.)