Polycube
3-D generalization of the Polyominoes to 
-D. The number of polycubes 
composed of A000162, Ball and Coxeter 1987).
References
Ball, W. W. R. and Coxeter, H. S. M. Mathematical Recreations and Essays, 13th ed. New York: Dover, pp. 112-113, 1987. Gardner, M. The Second Scientific American Book of Mathematical Puzzles & Diversions: A New Selection. New York: Simon and Schuster, pp. 76-77, 1961. Gardner, M. ``Polycubes.'' Ch. 3 in Knotted Doughnuts and Other Mathematical Entertainments. New York: W. H. Freeman, 1986. Sloane, N. J. A. SequenceA000162/M1845in ``An On-Line Version of the Encyclopedia of Integer Sequences.''http://www.research.att.com/~njas/sequences/eisonline.html and Sloane, N. J. A. and Plouffe, S.The Encyclopedia of Integer Sequences. San Diego: Academic Press, 1995.
- Elongated Pentagonal Orthobicupola
- Elongated Pentagonal Orthobirotunda
- Elongated Pentagonal Orthocupolarotunda
- Elongated Pentagonal Pyramid
- Elongated Pentagonal Rotunda
- Elongated Pyramid
- Elongated Rotunda
- Elongated Square Cupola
- Elongated Square Dipyramid
- Elongated Square Gyrobicupola
- Elongated Square Pyramid
- Elongated Triangular Cupola
- Elongated Triangular Dipyramid
- Elongated Triangular Gyrobicupola
- Elongated Triangular Orthobicupola
- Elongated Triangular Pyramid
- Elsasser Function
- Wilson's Primality Test
- Wilson's Theorem
- Wilson's Theorem Corollary
- Wilson's Theorem (Gauss's Generalization)
- Winding Number (Contour)
- Winding Number (Map)
- Windmill
- Window Function