A100925 - OEIS

A100925

Continued fraction expansion of constant defined in A100924.

0, 1, 10, 1, 4, 6, 1, 7, 3, 1, 1, 5, 18, 7, 1, 3, 2, 133, 5, 1, 5, 4, 1, 4, 1, 11, 19, 1, 4, 4, 1, 7, 1, 23, 1, 4, 2, 4, 1, 13, 1, 1, 2, 17, 1, 4, 2, 1, 1, 5, 9, 3, 2, 207, 4, 1, 3, 4, 4, 31, 2, 28, 2, 2, 1, 1, 7, 3, 3, 3, 1, 1, 792, 9, 1, 7, 3, 2, 2, 5, 2, 4, 1, 1, 1, 64, 2, 1, 2, 4, 1, 4, 73, 2, 1, 1, 1

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..96.

EXAMPLE

0.9152947975135605797336153972856208111251020453695777508300794...

MATHEMATICA

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

CROSSREFS

Cf. A100923, A100924 (decimal expansion).

Sequence in context: A284327 A322219 A010182 * A082263 A337927 A131790

Adjacent sequences: A100922 A100923 A100924 * A100926 A100927 A100928

KEYWORD

cofr,nonn

AUTHOR

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

EXTENSIONS

Offset changed by Andrew Howroyd, Aug 04 2024

STATUS

approved