PolygonalNumber

PolygonalNumber(nPoints)

returns the triangular number for nPoints.

PolygonalNumber(rSides, nPoints)

returns the polygonal number for nPoints and rSides.

See:

• Wikipedia - Polygonal number

Examples

>> Table(PolygonalNumber(r, 3), {r, 1, 5})
{0,3,6,9,12}

>> PolygonalNumber(4,-2)
4

>> PolygonalNumber(-3,-2)
-17

Implementation status

• ✅ - full supported

Github

• Implementation of PolygonalNumber