A389494 Decimal expansion of x such that exp(x) - arccos(x) = 0.

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

Offset

0,1

Links

Table of n, a(n) for n=0..98.

Index entries for transcendental numbers.

Formula

Equals log(A126598). - Vaclav Kotesovec, Oct 07 2025

Example

0.26464167014479793397839309520523905402973797852...

Mathematica

Take[RealDigits[x/.FindRoot[Exp[x]-ArcCos[x]\[Equal]0, {x, 0.2, 0.3}, WorkingPrecision->200]][[1]], 100]

Crossrefs

Cf. A069997, A126598, A196401, A389484, A389485, A389495.

Sequence in context: A364222 A319376 A382572 * A110633 A240232 A119250

Adjacent sequences: A389491 A389492 A389493 * A389495 A389496 A389497

Keyword

nonn,cons

Author

Stefano Spezia, Oct 07 2025

Status

approved