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

Author

Eric W. Weisstein, Jul 23 2020

Keywords

• nonn
• cons

Examples

			3.931702798...
		

Links

• Eric Weisstein's World of Mathematics, Bean Curve

Crossrefs

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

Programs

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]