C(23,16,3) = 6

Method of Construction: simple construction: added element to c(v-1,k-1,t) covering

Lower Bound: Bounds for fixed number of blocks

  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15 23
  1  2  3  4  5  6  7  8  9 10 11 16 17 18 19 23
  1  2  3  4  5  6  7  8  9 10 11 16 20 21 22 23
  1  2  3  4 12 13 14 15 16 17 18 19 20 21 22 23
  5  6  7  8 12 13 14 15 16 17 18 19 20 21 22 23
  5  9 10 11 12 13 14 15 16 17 18 19 20 21 22 23