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A018027
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Powers of cube root of 18 rounded down.
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21
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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
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OFFSET
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0,2
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..200
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MATHEMATICA
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Table[Floor[18^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 06 2014 *)
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PROG
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(MAGMA) [Floor(18^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 06 2014
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CROSSREFS
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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
Adjacent sequences: A018024 A018025 A018026 * A018028 A018029 A018030
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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More terms from Vincenzo Librandi, Jan 06 2014
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STATUS
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approved
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