A343745 Decimal expansion of 12*sqrt(25+10*sqrt(5))/(15+7*sqrt(5)).

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

Offset: 1

Author

Wesley Ivan Hurt, May 02 2021

Keywords

• nonn
• cons

Comments

Surface area to volume ratio of a dodecahedron with unit side length.

Examples

			2.694167859477512234651670...
		

Links

• Wikipedia, Surface-area-to-volume ratio

Crossrefs

Cf. A343864.

Programs

Mathematica

RealDigits[12 Sqrt[25 + 10 Sqrt[5]]/(15 + 7 Sqrt[5]), 10, 100] // Flatten