The tetranacci constant is ratio to which adjacent tetranacci numbers tend, and is given by
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(1) |
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(2) |
(Sloane's A086088), where
denotes a polynomial root.
The tetranacci constant satisfies the identity
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(3) |
Tetranacci Number, Tribonacci Constant
Sloane, N. J. A. Sequences A086088 in "The On-Line Encyclopedia of Integer Sequences." http://www.research.att.com/~njas/sequences/.
Waddill, M. E. "The Tetranacci Sequence and Generalizations." Fib. Quart. 30, 9, 1992.
Waddill, M. E. "Some Properties of the Tetranacci Sequence Modulo m." Fib. Quart. 30, 232, 1992.