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A050242 [ (phi + sqrt(phi))^n ], phi = (1+sqrt(5))/2. 0
1, 2, 8, 24, 69, 201, 582, 1683, 4866, 14065, 40649, 117480, 339524, 981243, 2835846, 8195747, 23686148, 68454240, 197836425, 571757881, 1652410946, 4775556267, 13801613767, 39887404081, 115276737285, 333155954000, 962838576968 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..26.

MATHEMATICA

With[{c=GoldenRatio+Sqrt[GoldenRatio]}, Floor[c^Range[0, 30]]] (* Harvey P. Dale, Feb 13 2013 *)

CROSSREFS

Sequence in context: A225524 A293006 A018045 * A045697 A131569 A290904

Adjacent sequences:  A050239 A050240 A050241 * A050243 A050244 A050245

KEYWORD

nonn

AUTHOR

Antreas P. Hatzipolakis (xpolakis(AT)otenet.gr), Dec 21 1999

STATUS

approved

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Last modified October 18 07:19 EDT 2019. Contains 328146 sequences. (Running on oeis4.)