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A013576 Minimal scope of an (n,4) difference triangle. +0
1
11, 22, 32, 41, 51, 60, 71, 80 (list; graph; listen)
OFFSET

1,1
REFERENCES

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

CROSSREFS

Adjacent sequences: A013573 A013574 A013575 this_sequence A013577 A013578 A013579

Sequence in context: A062055 A066500 A054728 this_sequence A065998 A073729 A073730

KEYWORD

nonn,hard

AUTHOR

njas

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

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