A100924 - OEIS

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A100924

Digits in the decimal expansion of A100923 interpreted as digits of a binary number 0.1110101001010...

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

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

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

EXAMPLE

0.91529479751356057973361539728562081112510204536957775...

MATHEMATICA

N[Sum[If[And[PrimeQ[6*k - 1], PrimeQ[6*k + 1]], 1, 0]*2^(-k), {k, 1, 500}], 110]

CROSSREFS

Cf. A100923, A100925.

Sequence in context: A328097 A197684 A121224 * A350885 A258268 A143296

Adjacent sequences: A100921 A100922 A100923 * A100925 A100926 A100927

KEYWORD

cons,nonn,base

AUTHOR

Joseph Biberstine (jrbibers(AT)indiana.edu), Nov 22 2004

STATUS

approved