A018052 Powers of fourth root of 3 rounded to nearest integer.

1, 1, 2, 2, 3, 4, 5, 7, 9, 12, 16, 21, 27, 36, 47, 62, 81, 107, 140, 185, 243, 320, 421, 554, 729, 959, 1263, 1662, 2187, 2878, 3788, 4985, 6561, 8635, 11364, 14956, 19683, 25904, 34092, 44868, 59049, 77713

Offset

0,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..1000

Mathematica

Floor[# + 1/2]&/@((Power[3, (4)^-1])^Range[0, 50]) (* Vincenzo Librandi, Apr 13 2017 *)
Round[Surd[3, 4]^Range[0, 50]] (* Harvey P. Dale, Apr 13 2022 *)

Crossrefs

Cf. A011002, A018053.

Sequence in context: A117298 A369571 A274200 * A018124 A133034 A124745

Adjacent sequences: A018049 A018050 A018051 * A018053 A018054 A018055

Keyword

nonn

Author

N. J. A. Sloane

Status

approved