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A141108 Decimal expansion of arc length of the cornoid curve. 0
1, 0, 6, 0, 1, 7, 0, 2, 9, 5, 3, 7, 4, 2, 3, 6, 0, 5, 1, 0, 3, 3, 0, 4, 7, 9, 1, 8, 7, 2, 1, 5, 4, 1, 3, 5, 9, 4, 1, 1, 2, 7, 6, 1, 0, 0, 7, 7, 9, 7, 6, 9, 7, 9, 8, 1, 6, 2, 9, 6, 0, 9, 1, 5, 1, 3, 6, 2, 0, 9, 7, 6, 3, 9, 2, 5, 4, 6, 3, 4, 4, 8, 7, 3, 7, 7, 2, 2, 9, 0, 5, 8, 2, 3, 7, 0, 5, 9, 9, 1, 9, 7, 9, 3, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

2,3

LINKS

Table of n, a(n) for n=2..106.

Eric Weisstein's World of Mathematics, Cornoid

FORMULA

4*(EllipticE[ -2] - 3*EllipticK[ -2] + 3*EllipticPi[1/4, -2])

EXAMPLE

10.601702953742360510...

MAPLE

Re(evalf(4*(EllipticE(I*sqrt(2)) - 3*EllipticK(I*sqrt(2)) + 3*EllipticPi(1/4, I*sqrt(2))), 120)); # Vaclav Kotesovec, Apr 22 2015

MATHEMATICA

RealDigits[N[4*(EllipticE[-2]-3*EllipticK[-2]+3*EllipticPi[1/4, -2]), 105]][[1]] (* Vaclav Kotesovec, Apr 22 2015 *)

CROSSREFS

Sequence in context: A094691 A095715 A321215 * A019846 A320906 A195445

Adjacent sequences:  A141105 A141106 A141107 * A141109 A141110 A141111

KEYWORD

nonn,cons

AUTHOR

Eric W. Weisstein, Jun 02 2008

STATUS

approved

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Last modified December 16 06:18 EST 2019. Contains 330016 sequences. (Running on oeis4.)