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A048638 Height of lattice of parameters of mixed orthogonal arrays with 2^n runs and strength 2. +0
3
1, 4, 9, 21, 42, 86, 171, 358, 715, 1431 (list; graph; listen)
OFFSET

0,2

LINKS

E. M. Rains, N. J. A. Sloane and J. Stufken, The Lattice of N-Run Orthogonal Arrays, J. Stat. Planning Inference, 102 (2002), 477-500 (Abstract, pdf, ps)

CROSSREFS

Cf. A039930, A048164.

Adjacent sequences: A048635 A048636 A048637 this_sequence A048639 A048640 A048641

Sequence in context: A009911 A009887 A009914 this_sequence A117880 A027973 A103040

KEYWORD

nonn,nice

AUTHOR

njas, E. M. Rains, J. Stufken

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.


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