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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
OFFSET
0,3
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 * A372382 A223646 A018929
KEYWORD
nonn
EXTENSIONS
More terms from James A. Sellers
STATUS
approved