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A005765 Size of Doehlert-Klee design with n blocks.
(Formerly M2210)
+0
1
1, 1, 3, 1, 1, 1, 7, 7, 1, 1, 11, 1, 1, 1, 15, 1, 16, 1, 19, 1, 1, 1, 23, 22, 1, 25, 27, 1, 1, 1, 31, 1, 1, 1, 35, 1, 1, 1, 39, 1, 1, 1, 43 (list; graph; listen)
OFFSET

2,3

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Doehlert, D. H.; Klee, V. L.; Experimental designs through level reduction of the $d$-dimensional cuboctahedron. Discrete Math. 2 (1972), no. 4, 309-334.

R. G. Stanton and S. A. Vanstone, Further results on a problem of Doehlert and Klee, Utilitas Math., 12 (1977), 263-271.

CROSSREFS

Sequence in context: A152884 A081297 A110180 this_sequence A156535 A080214 A096066

Adjacent sequences: A005762 A005763 A005764 this_sequence A005766 A005767 A005768

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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