On packings of pairs by quintuples: \(v ≡ 3,9 or 17 (mod 20)\)

R.C. Mullin1, J. Yin2
1Dept. of Combinatorics and Optimization University of Waterloo, Waterloo, Ontario Canada N2L 3G1, Canada
2Dept. of Mathematics of Suzhou University Suzhou, 215006 PR. of China

Abstract