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A010895 Minimal scope of a (2,n) difference triangle. 0
2, 7, 13, 22, 34, 51, 70 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

REFERENCES

CRC Handbook of Combinatorial Designs, 1996, p. 315.

CROSSREFS

Sequence in context: A106675 A022946 A184428 * A045376 A045377 A180470

Adjacent sequences:  A010892 A010893 A010894 * A010896 A010897 A010898

KEYWORD

nonn,hard

AUTHOR

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

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Last modified February 15 17:13 EST 2012. Contains 205828 sequences.