

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
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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



