A336501 Decimal expansion of lima bean curve perimeter.

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

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