Classification of near-normal sequences. (English) Zbl 1227.05098
Summary: We introduce a canonical form for near-normal sequences \(NN(n)\), and using it we enumerate the equivalence classes of such sequences for even \(n \leq 30\).
MSC:
| 05B20 | Combinatorial aspects of matrices (incidence, Hadamard, etc.) |
| 05B30 | Other designs, configurations |
Online Encyclopedia of Integer Sequences:
Number of equivalence classes of near-normal sequences NN(2n).References:
| [1] | Colbourn C. J., Handbook of Combinatorial Designs (2007) · Zbl 1101.05001 |
| [2] | Koukouvinos C., Austral. J. Combin. 10 pp 5– |
| [3] | J. Seberry and M. Yamada, Contemporary Design Theory: A Collection of Surveys, eds. J. H. Dinitz and D. R. Stinson (John Wiley, New York, 1992) pp. 431–560. |
| [4] | Yang C. H., Proc. Amer. Math. Soc. 107 pp 763– |
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