A010898 Minimal scope of a (5,n) difference triangle.

5, 15, 30, 51, 79

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

A row or column of array in A234943.

Sequence in context: A194150 A341065 A246817 * A048065 A048021 A225325

Adjacent sequences: A010895 A010896 A010897 * A010899 A010900 A010901

Keyword

nonn,hard

Author

N. J. A. Sloane

Extensions

Corrected from Shearer's tables. - N. J. A. Sloane, Jan 08 2014

Status

approved