Lotto Designs

For L(n, k, t, t) this bound is the usual Scho¨nheim Bound for coverings. (See §VI.11.) 32.26 Proposition [1445] L(n, k, t+1, t)≥ min{L(n, k, t−1, t−1), L(n−t+1, k−t+2,2,2)}.

There are many similar lower bounds.