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Jan
24
awarded  Scholar
Jan
24
awarded  Supporter
Jan
24
comment Number of permutations of 2n objects of 2 types with order constraint
I guess I should have known... wasn't the first time people told me / I found out that Catalan numbers are magic. Thanks a lot :)
Jan
24
accepted Number of permutations of 2n objects of 2 types with order constraint
Jan
24
awarded  Student
Jan
24
asked Number of permutations of 2n objects of 2 types with order constraint