A017942 Powers of sqrt(12) rounded up.

1, 4, 12, 42, 144, 499, 1728, 5986, 20736, 71832, 248832, 861980, 2985984, 10343752, 35831808, 124125024, 429981696, 1489500288, 5159780352, 17874003452, 61917364224, 214488041414, 743008370688

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..900

Mathematica

Ceiling[(Sqrt[12])^Range[0, 40]] (* Vincenzo Librandi, Nov 21 2011 *)

Prog

(Magma) [Ceiling(Sqrt(12^n)): n in [0..30]]; // Vincenzo Librandi, Nov 21 2011

Crossrefs

Sequence in context: A343517 A308371 A052303 * A149344 A178078 A135489

Adjacent sequences: A017939 A017940 A017941 * A017943 A017944 A017945

Keyword

nonn

Author

N. J. A. Sloane

Status

approved