A010893 - OEIS

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A010893

(n,4,1) difference families over Z_n.

1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 224, 0, 0, 206, 0, 0, 0, 0, 0, 0, 0, 0, 18132, 0, 0, 12048 (list; graph; refs; listen; history; internal format)

	OFFSET	`13,25`
	REFERENCES	`CRC Handbook of Combinatorial Designs, 1996, p. 286.`
	CROSSREFS	`Sequence in context: A113036 A000425 A181499 * A181501 A000171 A054922` `Adjacent sequences: A010890 A010891 A010892 * A010894 A010895 A010896`
	KEYWORD	`nonn,hard`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 15 04:23 EST 2012. Contains 205694 sequences.