Tribonacci Constant


The tribonacci constant is ratio to which adjacent tribonacci numbers tend, and is given by

(1)
  (2)
  (3)

(Sloane's A058265).

The tribonacci constant satisfies the identities

(4)
(5)
(6)
(7)

(P. Moses, pers. comm., Feb. 21, 2005).

The tribonacci constant is extremely prominent in the properties of the snub cube.

 

Snub Cube, Tribonacci Number




References

Sloane, N. J. A. Sequences A058265 in "The On-Line Encyclopedia of Integer Sequences." http://www.research.att.com/~njas/sequences/.