login
A138497
Decimal expansion of arc length of the cycloid of Ceva.
0
2, 0, 0, 1, 5, 7, 8, 0, 6, 8, 0, 4, 3, 0, 3, 9, 7, 7, 9, 1, 6, 7, 0, 9, 7, 8, 7, 6, 4, 5, 7, 4, 9, 9, 6, 4, 2, 1, 6, 5, 0, 7, 8, 4, 2, 8, 0, 8, 6, 2, 6, 5, 9, 8, 5, 3, 5, 0, 3, 9, 6, 5, 4, 7, 3, 8, 6, 5, 6, 5, 0, 9, 5, 3, 5, 7, 4, 3, 3, 0, 7, 8, 8, 3, 8, 3, 2, 4, 2, 6, 0, 3, 6, 5, 9, 9, 9, 2, 3, 6, 6, 6, 6, 6, 5
OFFSET
2,1
LINKS
Eric Weisstein's World of Mathematics, Cycloid of Ceva
EXAMPLE
20.015780680430397791...
MAPLE
evalf(16*EllipticE(sqrt(13)/4) - 3*EllipticK(sqrt(13)/4) + 3*EllipticPi(1/4, sqrt(13)/4), 120); # Vaclav Kotesovec, Apr 22 2015
MATHEMATICA
16*EllipticE[13/16] - 3*EllipticK[13/16] + 3*EllipticPi[1/4, 13/16]
CROSSREFS
Sequence in context: A309524 A331106 A318373 * A295858 A113129 A127826
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Mar 20 2008
STATUS
approved