Monge's Shuffle
A Shuffle in which Cards from the top of the deck in the left hand are alternatively moved to the bottom and topof the deck in the right hand. If the deck is shuffled 
times, the final position 
and initial position 
of acard are related by
for a deck of
cards (Kraitchik 1942).See also Cards, Shuffle
References
Conway, J. H. and Guy, R. K. ``Fractions Cycle into Decimals.'' In The Book of Numbers. New York: Springer-Verlag, pp. 157-163, 1996. Kraitchik, M. ``Monge's Shuffle.'' §12.2.14 in Mathematical Recreations. New York: W. W. Norton, pp. 321-323, 1942.
- Octagram
- Octahedral Graph
- Octahedral Group
- Octahedral Number
- Octahedron
- Octahedron 5-Compound
- Octahemioctacron
- Octahemioctahedron
- Octakaidecagon
- Octal
- Octant
- Octatetrahedron
- Octic Surface
- Octillion
- Octodecillion
- Octonion
- Odd Function
- Odd Number
- Odd Number Theorem
- Odd Order Theorem
- Odd Prime
- Odds
- Odd Sequence
- ODE
- Offset Rings