A013575 Minimal scope of an (n,3) difference triangle.

6, 13, 19, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90

Offset

1,1

References

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

Links

Table of n, a(n) for n=1..15.

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: A282975 A094696 A095911 * A075727 A246306 A135274

Adjacent sequences: A013572 A013573 A013574 * A013576 A013577 A013578

Keyword

nonn,more

Author

N. J. A. Sloane.

Status

approved