A330142 Decimal expansion of the solution of (2/3)^x + (2/5)^x = 1.

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

Offset

1,4

Links

Table of n, a(n) for n=1..86.

Example

x = 1.10870260837589377...

Mathematica

r = x /.FindRoot[(2/3)^x + (2/5)^x == 1, {x, 1, 2}, WorkingPrecision -> 200]
RealDigits[r] (* A330142 *)
Plot[(2/3)^x + (2/5)^x - 1, {x, 0, 2}]

Crossrefs

Cf. A330143, A330144.

Sequence in context: A265024 A051762 A247017 * A198112 A358938 A213007

Adjacent sequences: A330139 A330140 A330141 * A330143 A330144 A330145

Keyword

nonn,cons,easy

Author

Clark Kimberling, Jan 04 2020

Status

approved