A234945 Number of different optimal triangle difference sets M(n,3).

1, 2, 9, 12, 174, 3132, 71930

Offset

1,2

Links

Table of n, a(n) for n=1..7.

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

J. B. Shearer, Difference Triangle Sets: Discoverers

Crossrefs

A row of array in A234944. Cf. A234943.

Sequence in context: A259984 A225548 A233400 * A357729 A271646 A024976

Adjacent sequences: A234942 A234943 A234944 * A234946 A234947 A234948

Keyword

nonn

Author

N. J. A. Sloane, Jan 08 2014

Status

approved