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A048894 n - 1 - A048893(n). 1
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 2, 0, 8, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,12

LINKS

Table of n, a(n) for n=1..23.

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. A048893, A048885.

Sequence in context: A236239 A047752 A088194 * A047766 A005078 A270030

Adjacent sequences:  A048891 A048892 A048893 * A048895 A048896 A048897

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, John Stufken (jstufken(AT)iastate.edu)

EXTENSIONS

1<=a(24)<=5 is the first open case.

STATUS

approved

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Last modified December 6 15:25 EST 2016. Contains 278781 sequences.