Polygonal numbers

Related to Polygonal numbers: Figurate numbers, Triangular numbers
certain figurate numbers. See under Figurate.

See also: Polygonal

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Let us investigate this link by considering polygonal numbers using a growing pattern of successive regular polygons, which are equilateral triangles, squares, pentagons, hexagons and so on.
Articles are grouped in sections on arithmetic, primes, irrationality and continued fractions, sums of squares and polygonal numbers, Fibonacci numbers, number-theoretic functions, and elliptic curves, cubes, and Fermat's last theorem.