OFFSET
1,2
COMMENTS
LINKS
J.-P. Allouche, C. Frougny, K. G. Hare, On univoque Pisot numbers, arXiv:math/0610681 [math.NT], (23-October-2006)
J.-P. Allouche, C. Frougny, K. G. Hare, On univoque Pisot numbers, Math. Comp. 76 (2007), 1639-1660.
D. Terr and Eric Weisstein's World of Mathematics, Pisot Numbers.
FORMULA
The largest real root of x^14 - 2*x^13 + x^11 - x^10 - x^7 + x^6 - x^4 + x^3 - x + 1. - Robert G. Wilson v, Jul 17 2007 (corrected, Joerg Arndt, Jun 13 2015)
EXAMPLE
1.88000047865555118281806896989947911064560839482260578509980692092...
MATHEMATICA
First@ RealDigits[ FindRoot[ x^14 - 2 x^13 + x^11 - x^10 - x^7 + x^6 - x^4 + x^3 - x + 1, {x, 1.88}, WorkingPrecision -> 111][[1, 2]]] (* Robert G. Wilson v, Jul 17 2007 *)
RealDigits[Root[x^14-2x^13+x^11-x^10-x^7+x^6-x^4+x^3-x+1, 2], 10, 120][[1]] (* Harvey P. Dale, Jan 18 2024 *)
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
R. J. Mathar, Jun 13 2007
EXTENSIONS
More terms from Robert G. Wilson v, Jul 17 2007
STATUS
approved