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A127556
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Decimal expansion of the number 4.1636635147332912770473687837946011358... having continued fraction expansion 4, 6, 9, 12, 15, 18, 21, 26, 30, 34, 39, ... (arithmetical average of two consecutive odd primes A024675).
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6
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4, 1, 6, 3, 6, 6, 3, 5, 1, 4, 7, 3, 3, 2, 9, 1, 2, 7, 7, 0, 4, 7, 3, 6, 8, 7, 8, 3, 7, 9, 4, 6, 0, 1, 1, 3, 5, 8, 0, 5, 7, 6, 4, 4, 9, 7, 4, 6, 3, 7, 4, 3, 9, 6, 9, 1, 5, 9, 0, 3, 6, 9, 5, 1, 4, 8, 8, 9, 8, 3, 6, 6, 8, 4, 4, 8, 0, 3, 1, 3, 7, 5, 7, 8, 0, 5, 3, 7, 9, 7, 1, 6, 5, 3, 8, 4, 7, 2, 6, 8
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| a = {}; Do[AppendTo[a, (Prime[n] + Prime[n + 1])/2], {n, 2, 500}]; RealDigits[N[FromContinuedFraction[a], 100]][[1]]
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CROSSREFS
| Cf. A064442, A127549, A127550, A127551, A127552, A127553, A127555, A127556, A127557, A127558, A127559, A024675.
Sequence in context: A141649 A101347 A200344 * A050307 A021710 A127555
Adjacent sequences: A127553 A127554 A127555 * A127557 A127558 A127559
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KEYWORD
| cons,nonn
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AUTHOR
| Artur Jasinski (grafix(AT)csl.pl), Jan 18 2007
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