Transposition Order
An ordering of Permutations in which each two adjacent permutations differ by theTransposition of two elements. For the permutations of 
there are two listings which are intransposition order. One is 123, 132, 312, 321, 231, 213, and the other is 123, 321, 312, 213, 231, 132.
References
Ruskey, F. ``Information on Combinations of a Set.'' http://sue.csc.uvic.ca/~cos/inf/comb/CombinationsInfo.html.
- Gompertz Constant
- Gompertz Curve
- Gonal Number
- Goodman's Formula
- Good Path
- Good Prime
- Goodstein Sequence
- Goodstein's Theorem
- Googol
- Googolplex
- Gordon Function
- Gorenstein Ring
- Gosper Island
- Gosper's Algorithm
- Gosper's Method
- Graceful Graph
- Graded Algebra
- Gradian
- Gradient
- Gradient Four-Vector
- Gradient Theorem
- Graeco-Latin Square
- Graeco-Roman Square
- Graeffe's Method
- Graham's Biggest Little Hexagon