A179241 - OEIS

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A179241

Powers of sqrt(5) - 1 rounded down.

1, 1, 1, 2, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 24, 29, 36, 45, 56, 69, 85, 105, 130, 161, 200, 247, 305, 377, 466, 577, 713, 881, 1089, 1347, 1665, 2058, 2544, 3144, 3887, 4805, 5939, 7341, 9074, 11216, 13864, 17137, 21183, 26183, 32364, 40005, 49449, 61122

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

LINKS

Table of n, a(n) for n=1..52.

FORMULA

a(n) = floor((sqrt(5)-1)^n).

MATHEMATICA

Array[Floor[(Sqrt@5 - 1)^# ] &, 51] (* Robert G. Wilson v, Jul 12 2010 *)

CROSSREFS

Sequence in context: A100926 A351008 A258875 * A316082 A157046 A017979

Adjacent sequences: A179238 A179239 A179240 * A179242 A179243 A179244