A017976 Powers of sqrt(24) rounded down.

1, 4, 24, 117, 576, 2821, 13824, 67723, 331776, 1625363, 7962624, 39008731, 191102976, 936209559, 4586471424, 22469029417, 110075314176, 539256706015, 2641807540224, 12942160944371, 63403380965376

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..700

Formula

a(n) = floor(sqrt(24^n)). - Vincenzo Librandi, Jun 24 2011

Mathematica

Floor[(Sqrt[24])^Range[0, 20]] (* Harvey P. Dale, Mar 01 2015 *)

Prog

(Magma) [Floor(Sqrt(24^n)): n in [0..30]]; // Vincenzo Librandi, Jun 24 2011
(PARI) a(n)=sqrtint(24^n) \\ Charles R Greathouse IV, Nov 18 2011

Crossrefs

Cf. A010480 (sqrt(24)).

Sequence in context: A270451 A037132 A067312 * A002011 A270462 A273444

Adjacent sequences: A017973 A017974 A017975 * A017977 A017978 A017979

Keyword

nonn

Author

N. J. A. Sloane

Status

approved