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A013577 Minimal scope of an (n,5) difference triangle. 2
17, 34, 49, 64, 79 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

CRC Handbook of Combinatorial Designs, 1996, p. 315. (But beware errors!)

LINKS

Table of n, a(n) for n=1..5.

J. B. Shearer, Difference Triangle Sets: Known optimal solutions.

J. B. Shearer, Difference Triangle Sets: Discoverers

CROSSREFS

Sequence in context: A040272 A062054 A164008 * A234942 A044857 A161440

Adjacent sequences:  A013574 A013575 A013576 * A013578 A013579 A013580

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 19 18:37 EDT 2019. Contains 322290 sequences. (Running on oeis4.)