

A333477


Decimal expansion of largest negative solution to x! = x, or Gamma(x+1)=x, negated.


0



3, 1, 4, 3, 5, 8, 0, 8, 8, 8, 3, 4, 9, 9, 8, 0, 0, 5, 8, 6, 9, 4, 3, 5, 8, 7, 8, 1, 8, 2, 0, 2, 2, 7, 8, 9, 9, 5, 6, 6, 6, 6, 9, 6, 0, 4, 0, 6, 1, 5, 5, 7, 3, 4, 5, 7, 7, 8, 9, 2, 4, 9, 0, 2, 4, 2, 8, 6, 4, 2, 9, 5, 3, 5, 6, 3, 8, 2, 5, 8, 9, 0, 7, 3, 9, 3
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OFFSET

1,1


COMMENTS

Fixed point for Gamma(x+1) closest to 1 and 2.
By a mathematical coincidence, the negated expansion of the number is within 0.0633%, or 1 part in 1580 from Pi. Likewise, this constant is 1 part in 1580 away from Pi.


LINKS

Table of n, a(n) for n=1..86.
Eric Weisstein's World of Mathematics, Gamma Function.


EXAMPLE

x = 3.1435808883499800586943587818...


MATHEMATICA

RealDigits[x /. FindRoot[Gamma[x + 1] == x, {x, 3.1}, WorkingPrecision > 100], 10, 100][[1]] (* Vaclav Kotesovec, Apr 18 2020 *)


PROG

(PARI) solve(x=3.1, 3.2, gamma(1x)+x) \\ Charles R Greathouse IV, Apr 18 2020


CROSSREFS

Sequence in context: A113415 A332801 A054019 * A230877 A326041 A209613
Adjacent sequences: A333474 A333475 A333476 * A333478 A333479 A333480


KEYWORD

nonn,cons


AUTHOR

Eliora BenGurion, Mar 27 2020


STATUS

approved



