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A093588
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Decimal expansion of -1/8 + 4/Pi^2.
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0
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2, 8, 0, 2, 8, 4, 7, 3, 4, 5, 6, 9, 3, 5, 1, 0, 8, 5, 7, 7, 5, 5, 1, 7, 8, 5, 2, 8, 3, 8, 9, 1, 0, 5, 5, 5, 6, 1, 7, 4, 3, 5, 0, 9, 8, 6, 8, 8, 9, 8, 6, 1, 9, 5, 3, 8, 2, 4, 3, 6, 1, 2, 7, 5, 7, 6, 6, 9, 2, 4, 8, 3, 8, 4, 8, 9, 4, 1, 7, 6, 4, 7, 6, 4, 8, 3, 7, 0, 9, 5, 7, 0, 2, 4, 8, 7, 3, 5, 0, 5
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| Probability that a triangle picked at random in a unit disk is acute.
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REFERENCES
| Clifford A. Pickover, The Math Book, From Pythagoras to the 57th Dimension, 250 Milestones in the History of Mathematics, Sterling Publ., NY, 2009, page 476.
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LINKS
| Eric Weisstein's World of Mathematics, Disk Triangle Picking
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EXAMPLE
| 0.280284734...
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MATHEMATICA
| RealDigits[ 4/Pi^2 - 1/8, 10, 105][[1]]
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CROSSREFS
| Sequence in context: A073001 A088153 A010594 * A016593 A020818 A197252
Adjacent sequences: A093585 A093586 A093587 * A093589 A093590 A093591
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KEYWORD
| nonn,cons
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com), Apr 01, 2004
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