A094564 Triple products of distinct Fibonacci numbers: F(i)F(j)F(k), 2<=i<j<k.

6, 10, 15, 16, 24, 26, 30, 39, 40, 42, 48, 63, 65, 68, 78, 80, 102, 104, 105, 110, 120, 126, 130, 165, 168, 170, 178, 195, 204, 208, 210, 267, 272, 273, 275, 288, 312, 315, 330, 336, 340, 432, 440, 442, 445, 466, 504, 510, 520, 534, 544, 546, 550, 699, 712, 714

Offset

1,1

Links

Table of n, a(n) for n=1..56.

Clark Kimberling, Orderings of products of Fibonacci numbers, Fibonacci Quarterly 42:1 (2004), pp. 28-35.

Example

F(2)F(3)F(4)=6 < F(2)F(3)F(5)=10 < F(3)F(4)F(5)=30 < ...

Mathematica

With[{nn=30}, Take[Union[Times@@@Subsets[Fibonacci[Range[2, nn]], {3}]], 2*nn]] (* Harvey P. Dale, Dec 23 2015 *)

Crossrefs

Cf. A000045, A094563.

Sequence in context: A095678 A339116 A151972 * A271354 A315240 A315241

Adjacent sequences: A094561 A094562 A094563 * A094565 A094566 A094567

Keyword

nonn

Author

Clark Kimberling, May 12 2004

Status

approved