Group divisible designs with block size 4 and type g^u m^1 - II

Anthony D. Forbes

We show that the necessary conditions for the existence of 4-GDDs of type g^u m^1 are sufficient for g congruent to 0 (mod h), h = 39, 51, 57, 69, 87, 93, and for g = 13, 17, 19, 2…