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A336501 Decimal expansion of lima bean curve perimeter. 1
3, 9, 3, 1, 7, 0, 2, 7, 9, 8, 9, 5, 4, 5, 0, 1, 4, 2, 7, 9, 0, 9, 9, 6, 8, 6, 2, 5, 7, 8, 4, 2, 5, 8, 9, 6, 9, 6, 3, 8, 4, 9, 1, 0, 4, 5, 1, 0, 7, 7, 4, 2, 9, 0, 9, 1, 8, 0, 6, 2, 7, 6, 6, 1, 2, 1, 0, 7, 8, 1, 5, 8, 2, 6, 7, 9, 5, 1, 4, 1, 8, 5, 2, 3, 1, 0, 9, 8, 9, 2, 3, 5, 0, 5, 0, 4, 3, 5, 2, 8, 3, 9, 3, 3, 5, 9, 7, 9, 0, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..110.

Eric Weisstein's World of Mathematics, Bean Curve

EXAMPLE

3.931702798...

MATHEMATICA

Take[RealDigits[NIntegrate[Sqrt[1 + 3/2 Sin[x]^2 - 2 Sin[x]^3], {x, 0, 2 Pi}, WorkingPrecision -> 220, PrecisionGoal -> 110]/2][[1]], 110]

CROSSREFS

Cf. A193506 (decimal expansion of the simple bean curve perimeter).

Sequence in context: A225460 A305274 A293382 * A016674 A264918 A091670

Adjacent sequences:  A336498 A336499 A336500 * A336502 A336503 A336504

KEYWORD

nonn,cons

AUTHOR

Eric W. Weisstein, Jul 23 2020

STATUS

approved

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Last modified July 5 05:47 EDT 2022. Contains 355087 sequences. (Running on oeis4.)