OFFSET
1,2
COMMENTS
"Distinct" means that figures differing by a rotation are not regarded as different.
"Fully n-dimensional" means not lying in a proper subspace.
Suggested by Sol LeWitt's work "Variations of Incomplete Open Cubes," which shows 122 of the 123 figures in the three-dimensional case.
REFERENCES
Peter Schjeldahl, Less is beautiful, The Art World, The New Yorker, March 13, 2000, pp. 98-99.
LINKS
Sol LeWitt, Variations of Incomplete Open Cubes [The full cube itself is not included in his list.]
Andrew Weimholt, 3D solutions in numerical representation
Andrew Weimholt, Notes on reading the 3D solutions
Andrew Weimholt, C++ program for A222186 and A222192
EXAMPLE
For n=2 the three figures are: the four edges of a square, or omit one edge, or omit two adjacent edges.
CROSSREFS
KEYWORD
nonn,bref,more
AUTHOR
N. J. A. Sloane, Feb 11 2013
EXTENSIONS
a(3) confirmed by Andrew Weimholt, Feb 12 2013
a(4) computed by Andrew Weimholt, Feb 13 2013
STATUS
approved