A181387 Decimal expansion of zero of f(x)=e^(W(x^2)/x)/log x + Ei(-log(W(x^2)/x)).

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

Offset

0,1

Links

Table of n, a(n) for n=0..104.

Example

0.44821484089107828610402914464642712209099443075962804140569619762261179196907... - Robert G. Wilson v, Oct 21 2010

Mathematica

f[x_] := E^(ProductLog[x^2]/x)/Log[x] + ExpIntegralEi[ -Log[ ProductLog[x^2]/x]]; RealDigits[ FindRoot[ f@x, {x, 0.5}, WorkingPrecision -> 128][[1, 2]], 10, 128][[1]] (* Robert G. Wilson v, Oct 21 2010 *)

Crossrefs

Sequence in context: A273690 A010660 A067736 * A091671 A137797 A358561

Adjacent sequences: A181384 A181385 A181386 * A181388 A181389 A181390

Keyword

nonn,cons

Author

Geoffrey Caveney, Oct 16 2010

Extensions

More terms from Robert G. Wilson v, Oct 21 2010

Status

approved