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A118307
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Decimal expansion of the arc length of the bifolium.
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0
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7, 1, 5, 5, 5, 4, 7, 2, 4, 1, 5, 2, 9, 4, 3, 9, 3, 9, 7, 2, 6, 8, 4, 1, 0, 9, 2, 0, 7, 5, 4, 2, 4, 9, 4, 0, 8, 8, 0, 6, 1, 3, 1, 0, 5, 3, 9, 1, 2, 3, 5, 9, 3, 2, 9, 2, 2, 3, 8, 8, 4, 8, 4, 8, 9, 3, 0, 5, 9, 6, 9, 2, 2, 5, 6, 8, 4, 2, 8, 2, 8, 6, 4, 0, 1, 8, 3, 4, 4, 4, 4, 1, 6, 2, 3, 6, 9, 1, 2, 6, 8, 6, 4, 4, 5
(list; constant; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Eric Weisstein's World of Mathematics, Bifolium
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EXAMPLE
| 7.1555472415294393972...
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MATHEMATICA
| RealDigits[4*Sqrt[2]*NIntegrate[Sqrt[3 + 3*Cos[2q] + 2*Cos[4q]]*Sin[q], {q, 0, Pi/2}, WorkingPrecision -> 150], 10, 110][[1]]
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CROSSREFS
| Sequence in context: A195496 A065479 A011478 * A178757 A195369 A047875
Adjacent sequences: A118304 A118305 A118306 * A118308 A118309 A118310
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KEYWORD
| nonn,cons
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com), Apr 22, 2006
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