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

Author

N. J. A. Sloane

Keywords

• nonn

Links

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

Crossrefs

Cf. A011002, A018053.

Programs

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 *)