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A018032
Powers of cube root of 19 rounded up.
21
1, 3, 8, 19, 51, 136, 361, 964, 2571, 6859, 18303, 48839, 130321, 347749, 927934, 2476099, 6607227, 17630735, 47045881, 125537307, 334983956, 893871739, 2385208823, 6364695154, 16983563041, 45318967620, 120929207915, 322687697779, 861060384776
OFFSET
0,2
LINKS
MATHEMATICA
Table[Ceiling[19^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 10 2014 *)
Ceiling[Surd[19, 3]^Range[0, 30]] (* Harvey P. Dale, Dec 21 2014 *)
PROG
(Magma) [Ceiling(19^(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), this sequence (k=19), A018035 (k=20), A018038 (k=21), A018041 (k=22), A018044 (k=23), A018047 (k=24).
Sequence in context: A295045 A181849 A164586 * A086808 A170900 A151347
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 10 2014
STATUS
approved