OFFSET
3,3
LINKS
Andrei Asinowski, Gill Barequet, Ronnie Barequet, Gunter Rote, Proper n-Cell Polycubes in n-3 Dimensions, J. Int. Seq. 15 (2012) #12.8.4.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 16 2013
EXTENSIONS
The Asinowski et al. paper contains 10 or 20 further sequences similar to this one, that could be added to the OEIS. I don't have time to do this myself.
STATUS
approved