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A018041
Powers of cube root of 22 rounded up.
21
1, 3, 8, 22, 62, 173, 484, 1357, 3801, 10648, 29837, 83602, 234256, 656395, 1839244, 5153632, 14440680, 40463353, 113379904, 317694951, 890193746, 2494357888, 6989288907, 19584262411, 54875873536, 153764355952, 430853773031, 1207269217792, 3382815830943
OFFSET
0,2
LINKS
MATHEMATICA
Table[Ceiling[22^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 10 2014 *)
Ceiling[Surd[22, 3]^Range[0, 30]] (* Harvey P. Dale, Mar 15 2018 *)
PROG
(Magma) [Ceiling(22^(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), this sequence (k=22), A018044 (k=23), A018047 (k=24).
Sequence in context: A027036 A371978 A018040 * A073357 A278614 A188464
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 10 2014
STATUS
approved