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A128892
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Decimal expansion of 2*(1+pi*e^pi*(1+erf(sqrt(pi)))).
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0
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2, 9, 1, 0, 2, 2, 2, 8, 9, 8, 2, 4, 9, 7, 2, 9, 8, 2, 4, 4, 8, 4, 0, 8, 9, 3, 0, 0, 0, 4, 0, 6, 3, 6, 9, 2, 1, 1, 5, 3, 9, 7, 8, 3, 8, 6, 2, 3, 8, 8, 5, 0, 4, 9, 2, 6, 1, 3, 9, 9, 5, 9, 0, 3, 4, 2, 2, 1, 8, 5, 4, 8, 1, 3, 5, 4, 9, 0, 8, 1, 0, 4, 9, 5, 3, 5, 2, 1, 2, 8, 0, 3, 0, 3, 7, 6, 3, 1, 1, 3, 4, 0, 6, 4, 7
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 3,1
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COMMENTS
| The continued fraction is: 291, 44, 1, 6, 3, 17, 2, 1, 1, 1, 2, 1, 2, 2, 1, 1, 1, 2, 4, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 3, 3, 1, 4, 10, 13, 2, 3, 26, ..., . - Robert G. Wilson v.
Increasing partial quotients: 44, 66, 75, 239, 280, 563, 577, 938, 8243, 8674, 30243, 130392, 1564166, ..., at positions: 1, 74, 105, 190, 232, 382, 518, 1543, 1761, 2330, 12204, 34946, 41957, ..., .. - Robert G. Wilson v.
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FORMULA
| 2*(1+pi*e^pi*(1+erf(sqrt(pi)))).
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MATHEMATICA
| RealDigits[ 2(1 + Pi E^Pi*(1 + Erf@ Sqrt@ Pi)), 10, 111][[1]] (* Robert G. Wilson v *)
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CROSSREFS
| Sequence in context: A020817 A133768 A085333 * A187556 A198103 A105548
Adjacent sequences: A128889 A128890 A128891 * A128893 A128894 A128895
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KEYWORD
| cons,nonn
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AUTHOR
| Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Apr 20 2007
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EXTENSIONS
| 291.0222898249729824484089300040636921153978386238850492613995903...
More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 09 2007
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