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A018042
Powers of cube root of 23 rounded down.
21
1, 2, 8, 23, 65, 186, 529, 1504, 4278, 12167, 34601, 98401, 279841, 795830, 2263236, 6436343, 18304103, 52054435, 148035889, 420994376, 1197252006, 3404825447, 9682870660, 27536796142, 78310985281, 222706025200, 633346311281, 1801152661463, 5122238579606
OFFSET
0,2
LINKS
MATHEMATICA
Table[Floor[23^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 07 2014 *)
PROG
(Magma) [Floor(23^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 07 2014
(PARI) a(n)=sqrtnint(23^n, 3) \\ Charles R Greathouse IV, Nov 01 2016
CROSSREFS
Cf. powers of cube root of k rounded down: A017979 (k=2), A017982 (k=3), A017985 (k=4), A017988 (k=5), A017991 (k=6), A017994 (k=7), A018000 (k=9), A018003 (k=10), A018006 (k=11), A018009 (k=12), A018012 (k=13), A018015 (k=14), A018018 (k=15), A018021 (k=16), A018024 (k=17), A018027 (k=18), A018030 (k=19), A018033 (k=20), A018036 (k=21), A018039 (k=22), this sequence (k=23), A018045 (k=24).
Sequence in context: A180664 A294959 A290926 * A304304 A072842 A303861
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 07 2014
STATUS
approved