A362695 Decimal expansion of (3 - sqrt(3))/4.

3, 1, 6, 9, 8, 7, 2, 9, 8, 1, 0, 7, 7, 8, 0, 6, 7, 6, 6, 1, 8, 1, 3, 8, 4, 1, 4, 6, 2, 3, 5, 3, 1, 9, 0, 8, 2, 6, 4, 2, 9, 8, 6, 8, 6, 5, 4, 7, 4, 0, 4, 8, 4, 2, 9, 8, 6, 0, 4, 8, 2, 5, 5, 1, 3, 7, 0, 1, 6, 7, 4, 5, 7, 7, 2, 7, 9, 9, 9, 9, 0, 7, 2, 9, 7, 1, 3

Offset: 0

Author

Jodi Spitz, Apr 29 2023

Keywords

• nonn
• cons

Comments

Consider the optimal packing of 2 identical spheres in a cube of edge length 1. The radius of both spheres is (3 - sqrt(3))/4 = 0.3169872....

Examples

			0.3169872981077806766181384146235...
		

Links

• Packomania, The best known packings of equal spheres in a cube.
• Stack Exchange, Two Sphere [sic] inside a cube.

Crossrefs

Cf. A334843 (their diameter).

Programs

Mathematica

RealDigits[(3 - Sqrt[3])/4, 10, 120][[1]] (* Amiram Eldar, Jun 25 2023 *)