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A018037 Powers of cube root of 21 rounded to nearest integer. 22
1, 3, 8, 21, 58, 160, 441, 1217, 3357, 9261, 25550, 70492, 194481, 536558, 1480324, 4084101, 11267725, 31086799, 85766121, 236622225, 652822777, 1801088541, 4969066720, 13709278307, 37822859361, 104350401111, 287894844440, 794280046581, 2191358423329 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MATHEMATICA
Table[Round[21^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)
PROG
(Magma) [Round(21^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014
CROSSREFS
Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), this sequence (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).
Sequence in context: A158495 A349186 A273720 * A018038 A000737 A192235
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Vincenzo Librandi, Jan 08 2014
STATUS
approved

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)