DISCRETA - A Tutorial
Second Step:
Now you have to insert integer values for t and the block size k. Just to remind you: A subset B of the k-subsets on v points is called a t-(v, k, lambda) design, iff every t-subset on v points is contained in exactly lambda elements of B. Thus you have to choose k smaller than v and furthermore t smaller than k.

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Last updated: April 6, 2000, Evi Haberberger