

A027627


Maximal cardinality of 2distance set in R^n.


1




OFFSET

1,1


REFERENCES

E. Bannai and E. Bannai, Algebraic Combinatorics on Spheres [ in Japanese ], SpringerVerlag, Tokyo, 1999, p. 261.


LINKS

Table of n, a(n) for n=1..8.
Eiichi Bannai, Takahiro Sato, Junichi Shigezumi, Maximal mdistance sets containing the representation of the Johnson graph J(n,m), Discrete Math. 312 (2012), no. 22, 32833292. MR2961217.  From N. J. A. Sloane, Sep 25 2012
P. Lisonek, New maximal twodistance sets, J. Combin. Theory, A 77 (1997), 318338.


CROSSREFS

Sequence in context: A176747 A238488 A230124 * A194466 A270416 A290269
Adjacent sequences: A027624 A027625 A027626 * A027628 A027629 A027630


KEYWORD

nonn,hard,nice


AUTHOR

N. J. A. Sloane


STATUS

approved



