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A018027
Powers of cube root of 18 rounded down.
21
1, 2, 6, 18, 47, 123, 324, 849, 2225, 5832, 15284, 40055, 104976, 275114, 721005, 1889568, 4952069, 12978092, 34012224, 89137243, 233605663, 612220032, 1604470380, 4204901941, 11019960576, 28880466844, 75688234942, 198359290368, 519848403193, 1362388228962
OFFSET
0,2
LINKS
MATHEMATICA
Table[Floor[18^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 06 2014 *)
PROG
(Magma) [Floor(18^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 06 2014
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), this sequence (k=18), A018030 (k=19), A018033 (k=20), A018036 (k=21), A018039 (k=22), A018042 (k=23), A018045 (k=24).
Sequence in context: A248169 A002529 A217526 * A218759 A295499 A059413
KEYWORD
nonn
EXTENSIONS
More terms from Vincenzo Librandi, Jan 06 2014
STATUS
approved