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 one year ago
In how many ways can 13 be written as the sum of 4 distinct positive integers?
 one year ago
In how many ways can 13 be written as the sum of 4 distinct positive integers?

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inkyvoyd
 one year ago
Best ResponseYou've already chosen the best response.1Order does not matter. I hate you, combinatorics.

robtobey
 one year ago
Best ResponseYou've already chosen the best response.1distinct? like none of the four digits are the same?

inkyvoyd
 one year ago
Best ResponseYou've already chosen the best response.1I'm not sure actually. Is it easily possible to solve for either case? I do know that the order of the numbers does NOT matter.

robtobey
 one year ago
Best ResponseYou've already chosen the best response.1A solution using Mathematica 9 is attached.
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