general/figurate-numbers

Number of stacked spheres in a pyramid

Centered figurate number that represents a nonagon with a dot in the center

Class of series of figurate numbers, each having a central dot

Number that represents a hexagon with a dot in the center

Size of a geometric arrangement of points

Centered figurate number that represents a decagon with a dot in the center

Centered figurate number that represents an octagon with a dot in the center

Centered figurate number

Figurate number

Number of close-packed spheres in an octahedron

Type of figurate number constructed by combining heptagons

Figurate number

Type of figurate number

Polyhedral number representing a tetrahedron

Figure that, added to a given figure, makes a larger figure of the same shape

Centered figurate number that counts points in a three-dimensional pattern

Type of figurate number

Figurate number representing a decagon

Centered figurate number that gives the number of dots in a square with a dot in the center

Relation of an integral polytope's volume to how many integer points it encloses

Centered figurate number that represents a triangle with a dot in the center

Figurate number based on the stella octangula

Integer that is both a perfect square and a triangular number

Number in the 5th cell of any row of Pascal's triangle

Centered figurate number that represents a heptagon with a dot in the center