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A118307 Decimal expansion of the arc length of the bifolium. +0
1
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; cons; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Bifolium

EXAMPLE

7.1555472415294393972...

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]]

CROSSREFS

Sequence in context: A021587 A065479 A011478 this_sequence A047875 A064467 A089204

Adjacent sequences: A118304 A118305 A118306 this_sequence A118308 A118309 A118310

KEYWORD

nonn,cons

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Apr 22, 2006

page 1

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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