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  2. Integer partition - Wikipedia

    en.wikipedia.org/wiki/Integer_partition

    6 + 2; 5 + 3; 5 + 2 + 1; 4 + 3 + 1; This is a general property. For each positive number, the number of partitions with odd parts equals the number of partitions with distinct parts, denoted by q(n). [8] [9] This result was proved by Leonhard Euler in 1748 [10] and later was generalized as Glaisher's theorem.

  3. I Am Number Four (film) - Wikipedia

    en.wikipedia.org/wiki/I_Am_Number_Four_(film)

    I Am Number Four is a 2011 American science fiction action film directed by D. J. Caruso and starring Alex Pettyfer, Timothy Olyphant, Teresa Palmer, Dianna Agron, and Callan McAuliffe. The screenplay, by Alfred Gough , Miles Millar , and Marti Noxon , is based on the 2010 novel of the same name , one of the Lorien Legacies young adult science ...

  4. Glaisher's theorem - Wikipedia

    en.wikipedia.org/wiki/Glaisher's_theorem

    1) The number of partitions whose parts differ by at least 2 is equal to the number of partitions involving only numbers congruent to 1 or 4 (mod 5). 2) The number of partitions whose parts differ by at least 2 and with the smallest part at least 2 is equal to the number of partitions involving only numbers congruent to 2 or 3 (mod 5).

  5. Partition of a set - Wikipedia

    en.wikipedia.org/wiki/Partition_of_a_set

    The following are not partitions of {1, 2, 3}: { {}, {1, 3}, {2} } is not a partition ... The total number of partitions of an n-element set is the Bell number B n.

  6. Stirling numbers of the second kind - Wikipedia

    en.wikipedia.org/wiki/Stirling_numbers_of_the...

    An r-associated Stirling number of the second kind is the number of ways to partition a set of n objects into k subsets, with each subset containing at least r elements. [17] It is denoted by S r ( n , k ) {\displaystyle S_{r}(n,k)} and obeys the recurrence relation

  7. The New #4 Movie on Netflix Is a Must-Watch Sequel to This ...

    www.aol.com/lifestyle/4-movie-netflix-must-watch...

    Gird your streaming queues, because this throwback movie is making a comeback on Netflix.Introducing Step Up 4 . Despite the fact that it originally premiered in 2012,...

  8. Partition function (number theory) - Wikipedia

    en.wikipedia.org/wiki/Partition_function_(number...

    The values (), …, of the partition function (1, 2, 3, 5, 7, 11, 15, and 22) can be determined by counting the Young diagrams for the partitions of the numbers from 1 to 8. In number theory , the partition function p ( n ) represents the number of possible partitions of a non-negative integer n .

  9. Kostka number - Wikipedia

    en.wikipedia.org/wiki/Kostka_number

    For example, if = (,) and = (,,,), the Kostka number counts the number of ways to fill a left-aligned collection of boxes with 3 in the first row and 2 in the second row with 1 copy of the number 1, 1 copy of the number 2, 2 copies of the number 3 and 1 copy of the number 4 such that the entries increase along columns and do not decrease along ...