OFFSET
0,1
COMMENTS
This is the square root of the inverse of the plastic number A060006: 1.32471795724...
This is the positive root of x^6 + x^4 - 1 = 0 and the square root of A075778.
An algebraic integer of degree 6 and minimal polynomial x^6 + x^4 - 1. - Charles R Greathouse IV, Apr 21 2016
LINKS
EXAMPLE
0.868836961832709301806569964191...
MATHEMATICA
RealDigits[x/.FindRoot[x^6+x^4==1, {x, .8}, WorkingPrecision->120]][[1]] (* Harvey P. Dale, Jan 17 2014 *)
PROG
(PARI) polrootsreal(x^6+x^4-1)[2] \\ Charles R Greathouse IV, Apr 21 2016
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Fabrice Auzanneau, Jun 19 2011
STATUS
approved