A343199 Decimal expansion of 6+2*sqrt(3).

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

Offset: 1

Author

Wesley Ivan Hurt, May 07 2021

Keywords

• cons
• nonn

Comments

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

Essentially the same sequence of digits as A176394 and A010469. - R. J. Mathar, Jun 10 2021

Examples

			9.4641016151377545870548926830117447338856...
		

Links

• Wikipedia, Cuboctahedron

Crossrefs

Cf. A020775 (cuboctahedron volume).

Programs

Magma

SetDefaultRealField(RealField(200)); 6+2*Sqrt(3);

Mathematica

RealDigits[N[6 + 2*Sqrt[3], 100]][[1]] (* Wesley Ivan Hurt, Nov 12 2022 *)