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A127557
Decimal expansion of the number 5.018865657377378233714156283... having continued fraction expansion 5, 53, 157, 173, 211, 257, 263, 373, 563, ... (balanced primes order one A006562).
6
5, 0, 1, 8, 8, 6, 5, 6, 5, 7, 3, 7, 7, 3, 7, 8, 2, 3, 3, 7, 1, 4, 1, 5, 6, 2, 8, 3, 1, 8, 1, 1, 3, 6, 8, 6, 8, 1, 3, 3, 8, 9, 4, 1, 7, 7, 1, 4, 7, 9, 8, 0, 0, 5, 7, 1, 0, 3, 8, 2, 7, 6, 1, 9, 8, 0, 4, 1, 2, 6, 4, 7, 8, 3, 6, 2, 0, 2, 4, 8, 2, 0, 2, 4, 6, 5, 5, 7, 9, 5, 9, 7, 7, 9, 6, 2, 0, 7, 6, 0
OFFSET
1,1
MATHEMATICA
a = {}; Do[If[PrimeQ[((Prime[n + 2] + Prime[n + 1])/2 + (Prime[n + 1] + Prime[n])/2)/2], AppendTo[a, ((Prime[n + 2] + Prime[n + 1])/2 + (Prime[n + 1] + Prime[n])/2)/2]], {n, 1, 1000}]; RealDigits[N[FromContinuedFraction[a], 100]][[1]]
KEYWORD
cons,nonn
AUTHOR
Artur Jasinski, Jan 18 2007
STATUS
approved