OFFSET
9,1
EXAMPLE
a(12) = 128 corresponds to the regular tetrahedron with all edges equal to 2. Its volume is V=sqrt(2)*2^3/12; V^2 = 2*2^6/12^2 = 128/144.
CROSSREFS
KEYWORD
nonn
AUTHOR
Hugo Pfoertner, Mar 19 2024
STATUS
approved