OFFSET
1,1
REFERENCES
Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, p. 242.
FORMULA
min { x : 9*x^7+55*x^6-14*x^5-948*x^4-3247*x^3-5013*x^2-3780*x-1134 = 0 }.
EXAMPLE
4.56780188260726707016037083825541108970680260188197224988377220294550852907...
MAPLE
Digits:= 132:
fsolve(9*x^7+55*x^6-14*x^5-948*x^4-3247*x^3-5013*x^2-3780*x-1134, x, 4..5):
s:= convert(%/10, string):
seq(parse(s[n+1]), n=1..Digits-10); # Alois P. Heinz, Jul 11 2013
MATHEMATICA
x /. NSolve[ 9x^7 + 55x^6 - 14x^5 - 948x^4 - 3247x^3 - 5013x^2 - 3780x - 1134, x, WorkingPrecision -> 100] // Last // RealDigits[#, 10, 100] & // First
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jean-François Alcover, Jul 11 2013
STATUS
approved