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A018044
Powers of cube root of 23 rounded up.
21
1, 3, 9, 23, 66, 187, 529, 1505, 4279, 12167, 34602, 98402, 279841, 795831, 2263237, 6436343, 18304104, 52054436, 148035889, 420994377, 1197252007, 3404825447, 9682870661, 27536796143, 78310985281, 222706025201, 633346311282, 1801152661463, 5122238579607
OFFSET
0,2
LINKS
MATHEMATICA
Ceiling[23^(1/3)^Range[0, 30]] (* Harvey P. Dale, Apr 24 2012 *)
Table[Ceiling[23^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 10 2014 *)
PROG
(Magma) [Ceiling(23^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 10 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), 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), this sequence (k=23), A018047 (k=24).
Sequence in context: A371956 A282732 A253244 * A047045 A164949 A146661
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 10 2014
STATUS
approved