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A017920 Powers of sqrt(5) rounded to nearest integer. 3
1, 2, 5, 11, 25, 56, 125, 280, 625, 1398, 3125, 6988, 15625, 34939, 78125, 174693, 390625, 873464, 1953125, 4367320, 9765625, 21836601, 48828125, 109183007, 244140625, 545915034, 1220703125, 2729575168 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..2000

MATHEMATICA

Floor[(Sqrt[5]^Range[0, 40]+1/2)] (* Vincenzo Librandi, Nov 19 2011 *)

PROG

(PARI) a(n)=round(sqrt(5)^n) \\ Charles R Greathouse IV, Nov 18 2011

(MAGMA) [Round(Sqrt(5)^n): n in [0..40]]; // Vincenzo Librandi, Nov 19 2011

CROSSREFS

Cf. A017919, A017921.

Sequence in context: A192922 A215091 A017919 * A228765 A006054 A106805

Adjacent sequences:  A017917 A017918 A017919 * A017921 A017922 A017923

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified July 12 21:31 EDT 2020. Contains 335669 sequences. (Running on oeis4.)