The On-Line Encyclopedia of Integer Sequences (OEIS)

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A011991

(n,3,1) difference families over Z_n.
(history; published version)

#4 by Russ Cox at Fri Mar 30 16:45:52 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion

Fri Mar 30

16:45

OEIS Server: https://oeis.org/edit/global/110

#3 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

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

#2 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

REFERENCES

KEYWORD

nonn,new

nonn

#1 by N. J. A. Sloane at Wed Dec 11 03:00:00 EST 1996

NAME

(n,3,1) difference families over Z_n.

DATA

1, 0, 0, 0, 0, 0, 1, 0, 2, 0, 0, 0, 4, 0, 7, 0, 0, 0, 12, 0, 8, 0, 0, 0, 80, 0, 84, 0, 0, 0, 820, 0, 798, 0, 0, 0, 9508, 0, 11616, 0, 0, 0, 157340, 0, 139828, 0, 0, 0, 3027456, 0, 2353310

OFFSET

7,9

REFERENCES

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

KEYWORD

nonn

AUTHOR

njas

STATUS

approved