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A011998 (n,3,8) difference families over Z_n. 0
3, 10, 0, 30, 360, 0, 15264, 70924, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

6,1

REFERENCES

CRC Handbook of Combinatorial Designs, 1996, p. 285.

LINKS

Table of n, a(n) for n=6..14.

CROSSREFS

Sequence in context: A137044 A188545 A212361 * A278759 A280752 A182303

Adjacent sequences:  A011995 A011996 A011997 * A011999 A012000 A012001

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 23 14:11 EDT 2019. Contains 328345 sequences. (Running on oeis4.)