A344149 Decimal expansion of 30+5*sqrt(3)+3*sqrt(25+10*sqrt(5)).

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

Offset: 2

Author

Wesley Ivan Hurt, May 10 2021

Keywords

• nonn
• cons

Comments

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

Apart from the first digit the same as A179451. - R. J. Mathar, May 16 2021

Examples

			59.305982844911989540745375436192677...
		

Links

• Wikipedia, Rhombicosidodecahedron

Crossrefs

Cf. A185093 (rhombicosidodecahedron volume).

Programs

Magma

SetDefaultRealField(RealField(200)); 30+5*Sqrt(3)+3*Sqrt(25+10*Sqrt(5));

Mathematica

RealDigits[N[30 + 5*Sqrt[3] + 3*Sqrt[25 + 10*Sqrt[5]], 100]][[1]] (* Wesley Ivan Hurt, Nov 12 2022 *)