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On the existence of a PBD(30,{4,5,7,8*}) |
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| Authors: | Martin Grüttmüller Katy Streso |
| Abstract: | In the present paper, we will prove by an exhaustive search method that a pairwise balanced design on 30 points with blocks of size 4,5,7 and exactly one block of size 8 does not exist. © 2004 Wiley Periodicals, Inc. J Combin Designs 12: 271–278, 2004. |
| Keywords: | pairwise balanced design |