OFFSET
1,1
COMMENTS
Surface area of a rhombicuboctahedron with unit edge length.
LINKS
EXAMPLE
21.464101615137754587054892683011744733885...
MATHEMATICA
RealDigits[N[18 + 2*Sqrt[3], 100]][[1]] (* Wesley Ivan Hurt, Nov 12 2022 *)
PROG
(Magma) SetDefaultRealField(RealField(100)); 18+2*Sqrt(3);
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Wesley Ivan Hurt, May 05 2021
STATUS
approved