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A018011
Powers of cube root of 12 rounded up.
21
1, 3, 6, 12, 28, 63, 144, 330, 755, 1728, 3957, 9058, 20736, 47474, 108688, 248832, 569684, 1304249, 2985984, 6836197, 15650984, 35831808, 82034362, 187811805, 429981696, 984412343, 2253741659, 5159780352, 11812948115, 27044899908, 61917364224
OFFSET
0,2
LINKS
MATHEMATICA
Table[Ceiling[12^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 09 2014 *)
PROG
(Magma) [Ceiling(12^(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), this sequence (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: A052103 A072168 A292290 * A025208 A245774 A369148
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 09 2014
STATUS
approved