A106040 First 9-free digit in the fractional part of the decimal expansion of (1/10^n)^(1/10^n).

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

Offset

0,2

Links

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

Example

(1/10^0)^(1/10^0) =1^1 = 1.000000.. 9-free = 0
(1/10^1)^(1/10^1) =(1/10)^(1/10) = 0.794328.. = 7
(1/10^2)^(1/10^2) =(1/100)^(1/100) = 0.954992.. = 5

Prog

(PARI) zerotozero(n) = { local(x, y, z, v, j); for(x=0, n, y=10^x; v=(1./y)^(1/y); z=Vec(Str(v)); for(j=3, n, if(z[j]<>"9", print1(z[j]", "); break) ) ) }

Crossrefs

Sequence in context: A297879 A245510 A199794 * A320158 A085927 A180597

Adjacent sequences: A106037 A106038 A106039 * A106041 A106042 A106043

Keyword

nonn,base

Author

Cino Hilliard, May 06 2005

Status

approved