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 A017995 Powers of cube root of 7 rounded to nearest integer. 22
 1, 2, 4, 7, 13, 26, 49, 94, 179, 343, 656, 1255, 2401, 4593, 8786, 16807, 32151, 61502, 117649, 225054, 430514, 823543, 1575381, 3013596, 5764801, 11027668, 21095169, 40353607, 77193673, 147666185, 282475249, 540355712, 1033663292, 1977326743, 3782489985 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..200 MATHEMATICA Table[Round[7^(n/3)], {n, 0, 50}] (* Vincenzo Librandi, Jan 07 2014 *) Round[CubeRoot[7]^Range[0, 40]] (* Harvey P. Dale, Aug 04 2023 *) PROG (Magma) [Round(7^(n/3)): n in [0..50]]; // Vincenzo Librandi, Jan 07 2014 CROSSREFS Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), tjis sequence (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24). Sequence in context: A103204 A326174 A366109 * A251654 A303059 A099155 Adjacent sequences: A017992 A017993 A017994 * A017996 A017997 A017998 KEYWORD nonn AUTHOR N. J. A. Sloane EXTENSIONS More terms from Vincenzo Librandi, Jan 07 2014 STATUS approved

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)