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A014728 Squares of odd Fibonacci numbers. 1
1, 1, 9, 25, 169, 441, 3025, 7921, 54289, 142129, 974169, 2550409, 17480761, 45765225, 313679521, 821223649, 5628750625, 14736260449, 101003831721, 264431464441, 1812440220361, 4745030099481, 32522920134769 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..22.

FORMULA

G.f.: (-x^5-x^4+8x^3-8x^2+x+1)/[(1+x^2)(1+4x-x^2)(1-4x-x^2)].

a(n) = A014437(n)^2. - Sean A. Irvine, Nov 18 2018

MATHEMATICA

Select[Fibonacci[Range[40]], OddQ]^2 (* Harvey P. Dale, Jan 18 2012 *)

PROG

(PARI) A014728(n)=A014437(n)^2 \\ M. F. Hasler, Nov 18 2018

CROSSREFS

Cf. A014437.

Sequence in context: A084605 A098773 A089998 * A223646 A018929 A051515

Adjacent sequences:  A014725 A014726 A014727 * A014729 A014730 A014731

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from James A. Sellers

STATUS

approved

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Last modified May 26 16:47 EDT 2019. Contains 323597 sequences. (Running on oeis4.)