Centered Polygonal Number
A Figurate Number in which layers of Polygons are drawn centered about a point insteadof with the point at a Vertex.
See also Centered Pentagonal Number, Centered Square Number, Centered Triangular Number
References
Sloane, N. J. A. SequenceA001844/M3826in ``An On-Line Version of the Encyclopedia of Integer Sequences.''http://www.research.att.com/~njas/sequences/eisonline.html and extended entry inSloane, N. J. A. and Plouffe, S.The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995.
- Diameter
- Diameter (General)
- Diameter (Graph)
- Diamond
- Dice
- Dichroic Polynomial
- Dido's Problem
- Diesis
- Diffeomorphism
- Difference
- Difference Equation
- Trigonometry Values Pi/4
- Trigonometry Values Pi/5
- Trigonometry Values Pi/6
- Trigonometry Values Pi/7
- Trigonometry Values Pi/8
- Trigonometry Values Pi/9
- Trigyrate Rhombicosidodecahedron
- Trihedron
- Trilinear Coordinates
- Trilinear Line
- Trilinear Polar
- Trillion
- Trimagic Square
- Trimean