A018122 Powers of fifth root of 3 rounded up.

1, 2, 2, 2, 3, 3, 4, 5, 6, 8, 9, 12, 14, 18, 22, 27, 34, 42, 53, 66, 81, 101, 126, 157, 196, 243, 303, 378, 470, 586, 729, 909, 1132, 1410, 1756, 2187, 2725, 3394, 4228, 5267, 6561, 8174, 10182, 12684, 15801, 19683

Offset

0,2

Links

Table of n, a(n) for n=0..45.

Mathematica

With[{fr=Power[3, (5)^-1]}, Table[Ceiling[fr^n], {n, 0, 45}]] (* Harvey P. Dale, Nov 22 2010 *)

Prog

(Magma) [ Ceiling(3^(n/5)): n in [0..50] ];

Crossrefs

Sequence in context: A274159 A239905 A016085 * A074732 A089046 A054911

Adjacent sequences: A018119 A018120 A018121 * A018123 A018124 A018125

Keyword

nonn

Author

N. J. A. Sloane

Status

approved