A108534 Weak digits in the decimal expansion of Pi.

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

Offset

1,3

Comments

Cf. A108533 (strong digits), A108535 (positions of balanced digits). In the decimal expansion of Pi, balanced digits are much more rare than weak or strong ones.

Links

Table of n, a(n) for n=1..105.

Mathematica

re=RealDigits[N[Pi, 300]][[1]]; b={}; Do[r=re[[n]]; If[r<(re[[n-1]]+re[[n+1]])/2, b=Append[b, r]], {n, 2, 299}]; A108534=b

Crossrefs

Cf. A108533, A108535.

Sequence in context: A126051 A115260 A143950 * A039706 A156208 A239695

Adjacent sequences: A108531 A108532 A108533 * A108535 A108536 A108537

Keyword

nonn,base

Author

Zak Seidov, Jun 08 2005

Status

approved