A344171 Decimal expansion of 12*sqrt(5).

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

Offset: 2

Author

Wesley Ivan Hurt, May 10 2021

Keywords

• nonn
• cons

Comments

Decimal expansion of the surface area of a rhombic triacontahedron with unit edge length.

Examples

			26.83281572999747635691008...
		

Links

• Wikipedia, Rhombic triacontahedron

Crossrefs

Cf. A344172 (rhombic triacontahedron volume).

Cf. A344212 (rhombic triacontahedron midradius).

Cf. A019952 (rhombic triacontahedron radius of inscribed sphere).

Programs

Mathematica

RealDigits[12 Sqrt[5], 10, 100][[1]] // Flatten