4,3
Bokowski, J.; Schuchert, P.; Equifacetted 3-spheres as topes of nonpolytopal matroid polytopes. Discrete Comput. Geom. 13 (1995), no. 3-4, 347-361.
Table of n, a(n) for n=4..9.
Sequence in context: A325983 A063501 A103892 * A068763 A176989 A250303
Adjacent sequences: A000400 A000401 A000402 * A000404 A000405 A000406
nonn,more,hard
N. J. A. Sloane
approved