figurate number
member of the set of triangular numbers, polygonal numbers, or polyhedral numbers
polygonal number
figurate number
pyramidal number
figurate number
square pyramidal number
pyramidal number
star number
figurate number
octahedral number
polyhédral number
dodecahedral number
polygonal number
centered polygonal number
figurate number
centered polyhedral number
figurate number
icosahedral number
figurate number that represents an icosahedron
centered pentagonal number
subclass of centered polygonal number