A017915 Powers of sqrt(3) rounded up.

1, 2, 3, 6, 9, 16, 27, 47, 81, 141, 243, 421, 729, 1263, 2187, 3788, 6561, 11364, 19683, 34092, 59049, 102276, 177147, 306828, 531441, 920483, 1594323, 2761449, 4782969, 8284346, 14348907, 24853036, 43046721

Offset

0,2

Links

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

Mathematica

Ceiling[(Sqrt[3])^Range[0, 40]] (* Vincenzo Librandi, Nov 20 2011 *)

Prog

(Magma) [Ceiling(Sqrt(3^n)): n in [0..40]]; // Vincenzo Librandi, Nov 20 2011

Crossrefs

Sequence in context: A331680 A367205 A327475 * A114702 A026768 A068604

Adjacent sequences: A017912 A017913 A017914 * A017916 A017917 A017918

Keyword

nonn

Author

N. J. A. Sloane

Status

approved