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 A017991 Powers of cube root of 6 rounded down. 21
 1, 1, 3, 6, 10, 19, 36, 65, 118, 216, 392, 713, 1296, 2354, 4279, 7776, 14129, 25675, 46656, 84779, 154054, 279936, 508677, 924328, 1679616, 3052064, 5545969, 10077696, 18312388, 33275819, 60466176, 109874333, 199654914, 362797056, 659246001 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 MATHEMATICA Table[Floor[6^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 06 2014 *) PROG (MAGMA) [Floor(6^(n/3)): n in [0..50]]; // 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), this sequence (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), A018042 (k=23), A018045 (k=24). Sequence in context: A132274 A253768 A091714 * A065614 A183324 A058356 Adjacent sequences:  A017988 A017989 A017990 * A017992 A017993 A017994 KEYWORD nonn AUTHOR EXTENSIONS More terms from Vincenzo Librandi, Jan 06 2014 STATUS approved

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Last modified March 18 22:11 EDT 2019. Contains 321305 sequences. (Running on oeis4.)