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A277775 Decimal expansion of the prime triples constant, also known as Brun's constant B_{3b} = Sum (1/p + 1/(p+4) + 1/(p+6)) as p runs through the initial members of prime triples A022005. 1
8, 3, 7, 1, 1, 3, 2, 1, 2, 4, 1, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..11.

Thomas R. Nicely, Prime Constellations Research Project (Mar 16 2010).

EXAMPLE

0.837113212411...

CROSSREFS

Cf. A022005, A065421, A194098, A213007, A277774.

Sequence in context: A153813 A316166 A307106 * A199719 A301813 A206161

Adjacent sequences:  A277772 A277773 A277774 * A277776 A277777 A277778

KEYWORD

nonn,cons,hard,more

AUTHOR

Martin Renner, Oct 29 2016

EXTENSIONS

Offset corrected by Rick L. Shepherd, Nov 03 2016

STATUS

approved

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Last modified February 27 13:18 EST 2020. Contains 332306 sequences. (Running on oeis4.)