A geometric sequence, also called a geometric progression or geometrical progression, is a sequence 
, 
, 1, ..., in which each term after the first is the preceding
term multiplied by a fixed multiplier 
. Another equivalent definition is that a sequence
is geometric iff it has a zero series
bias. If the multiplier is 
, then the 
th term is given by
 |
Taking 
gives the simple special case
 |
The Season 1 episode "Identity Crisis" (2005) of the television crime drama NUMB3RS mentions geometric progressions.
