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chromosome number
(genetics) The number of chromosomes in each cell of an organism
number sentence
(mathematics, education) An equation or inequality expressed with numbers and operators, such as 3 + 6 < 10.
number sentences
plural of number sentence
Motzkin number
(mathematics) For a given number n, the number of different ways of drawing non-intersecting chords between n points on a circle (not necessarily touching every point by a chord). They have diverse applications in geometry, combinatorics, and number theory.
Delannoy number
(mathematics) The number of possible paths from the southwest corner (0, 0) of a rectangular grid to the northeast corner (m, n), using only single steps north, northeast, or east.
Delannoy numbers
plural of Delannoy number
Narayana numbers
plural of Narayana number
Schröder number
(mathematics) The number of possible lattice paths from the southwest corner (0, 0) of an n × n grid to the northeast corner (n, n), using only single steps north, northeast or east, and not rising above the southwest–northeast diagonal.
Motzkin numbers
plural of Motzkin number
prime number theorem
(number theory) The theorem that the number of prime numbers less than n asymptotically approaches n / ln(n) as n approaches infinity.
