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
Examples
3.931702798...
Links
- Eric Weisstein's World of Mathematics, Bean Curve
Crossrefs
Cf. A193506 (decimal expansion of the simple bean curve perimeter).
Programs
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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]