Farey sequence

[fair-ee]

noun Mathematics.

the increasing sequence of fractions in which numerator and denominator have no common divisor other than one and in which the denominator is less than or equal to a given positive integer p. For p = 4, the Farey sequence of order 4 is 0/1, 1/4, 1/3, 1/2, 2/3, 3/4, 1/1.

Origin of Farey sequence

after English mathematician John Farey (1766–1826), who proposed the terms of the sequence in 1816