2,1
Shephard, G. C., Twenty Problems on Convex Polyhedra: Part I, Math. Gazette, Vol. 52, No. 380, pp. 136-147, 1986.
Grunbaum, B., Convex polytopes 2e, Springer-Verlag, 2003
Sequence in context: A129385 A096626 A083279 * A105734 A076839 A092542
Adjacent sequences: A159452 A159453 A159454 * A159456 A159457 A159458
nonn
Ali Dino Jumani (alidinojumani(AT)yahoo.com), Apr 12 2009