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A018019
Powers of cube root of 15 rounded to nearest integer.
22
1, 2, 6, 15, 37, 91, 225, 555, 1368, 3375, 8323, 20527, 50625, 124852, 307911, 759375, 1872780, 4618672, 11390625, 28091697, 69280082, 170859375, 421375454, 1039201232, 2562890625, 6320631805, 15588018474, 38443359375, 94809477068, 233820277107
OFFSET
0,2
LINKS
MATHEMATICA
With[{c=15^(1/3)}, Floor[c^Range[0, 30]+1/2]] (* Harvey P. Dale, Apr 18 2012 *)
Table[Round[15^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)
PROG
(Magma) [Round(15^(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), this sequence (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).
Sequence in context: A291414 A098790 A300344 * A331347 A306463 A034518
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 08 2014
STATUS
approved