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 A017988 Powers of cube root of 5 rounded down. 21
 1, 1, 2, 5, 8, 14, 25, 42, 73, 125, 213, 365, 625, 1068, 1827, 3125, 5343, 9137, 15625, 26718, 45687, 78125, 133591, 228438, 390625, 667959, 1142194, 1953125, 3339796, 5710972, 9765625, 16698983, 28554860, 48828125, 83494919, 142774303, 244140625 (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[5^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 06 2014 *) PROG (MAGMA) [Floor(5^(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), this sequence (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), A018042 (k=23), A018045 (k=24). Sequence in context: A264395 A139218 A263235 * A282444 A103077 A090980 Adjacent sequences:  A017985 A017986 A017987 * A017989 A017990 A017991 KEYWORD nonn AUTHOR EXTENSIONS More terms From Vincenzo Librandi, Jan 06 2014 STATUS approved

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Last modified October 17 01:03 EDT 2019. Contains 328103 sequences. (Running on oeis4.)