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A127555
Decimal expansion of the number 4.164393920313549053413239828743... having continued fraction expansion 4, 6, 12, 18, 30, 42, 60, 72, 102, ... (averages of twin primes A014574).
8
4, 1, 6, 4, 3, 9, 3, 9, 2, 0, 3, 1, 3, 5, 4, 9, 0, 5, 3, 4, 1, 3, 2, 3, 9, 8, 2, 8, 7, 4, 3, 1, 2, 1, 9, 7, 4, 1, 3, 3, 3, 3, 6, 9, 1, 9, 2, 6, 2, 3, 0, 1, 1, 8, 9, 1, 9, 7, 6, 3, 6, 7, 6, 9, 0, 2, 6, 4, 9, 3, 0, 8, 8, 6, 1, 7, 5, 2, 8, 7, 1, 9, 2, 4, 2, 9, 6, 3, 1, 1, 3, 8, 9, 4, 6, 3, 6, 6, 6, 3
OFFSET
1,1
MATHEMATICA
a = {}; Do[If[PrimeQ[Prime[n] + 2], AppendTo[a, Prime[n] + 1]], {n, 2, 500}]; RealDigits[N[FromContinuedFraction[a], 100]][[1]]
KEYWORD
cons,nonn
AUTHOR
Artur Jasinski, Jan 18 2007
STATUS
approved