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A093728
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Decimal expansion of 2E(2i sqrt(2)), where E(k) is the complete elliptic integral of the 2nd kind.
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2
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6, 6, 8, 2, 4, 4, 6, 6, 1, 0, 2, 7, 7, 6, 2, 9, 1, 1, 5, 0, 6, 4, 7, 5, 1, 1, 6, 2, 5, 3, 0, 0, 9, 8, 1, 1, 9, 7, 0, 0, 4, 9, 1, 3, 3, 6, 1, 9, 4, 5, 8, 8, 5, 5, 1, 6, 4, 6, 4, 8, 0, 1, 9, 8, 2, 4, 6, 2, 9, 2, 7, 0, 9, 5, 2, 3, 2, 8, 4, 8, 0, 4, 0, 1, 2, 9, 5, 5, 3, 2, 4, 0, 5, 8, 1, 9, 9, 1, 0, 6, 4, 5
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OFFSET
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1,1
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COMMENTS
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Arc length of the trifolium r = a*cos(3*theta).
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LINKS
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Eric Weisstein's World of Mathematics, Trifolium
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FORMULA
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EXAMPLE
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6.68244661027762911506475116253009811970049133619458855164648...
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MAPLE
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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