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A011995 (n,3,5) difference families over Z_n. 0
5, 0, 4, 0, 0, 0, 1224, 0, 15686, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

7,1

REFERENCES

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

LINKS

Table of n, a(n) for n=7..18.

CROSSREFS

Sequence in context: A321418 A225424 A202626 * A258754 A175296 A076266

Adjacent sequences:  A011992 A011993 A011994 * A011996 A011997 A011998

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 14 21:21 EDT 2021. Contains 342962 sequences. (Running on oeis4.)