Abstract
It is shown that there exists a resolvablen 2 by 4 orthogonal array which is invariant under the Klein 4-groupK 4 for all positive integersn congruent to 0 modulo 4 except possibly forn ∈ {12, 24, 156, 348}.
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Lindner, C.C., Mullin, R.C. & Stinson, D.R. On the spectrum of resolvable orthogonal arrays invariant under the Klein group K4 . Aeq. Math. 26, 176–183 (1983). https://doi.org/10.1007/BF02189680
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DOI: https://doi.org/10.1007/BF02189680