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A013578 Maximal size of equidistant permutation array R(n,2). 1
1, 2, 4, 5, 10, 13, 16 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

REFERENCES

CRC Handbook of Combinatorial Designs, 1996, p. 327.

Mathon, Rudolf; Bounds for equidistant permutation arrays of index one. Combinatorial Mathematics: Proceedings of the Third International Conference (New York, 1985), 303-309, Ann. New York Acad. Sci., 555, New York Acad. Sci., New York, 1989.

LINKS

Table of n, a(n) for n=3..9.

CROSSREFS

Cf. A005677.

Sequence in context: A097132 A321683 A321682 * A283204 A105138 A325107

Adjacent sequences:  A013575 A013576 A013577 * A013579 A013580 A013581

KEYWORD

nonn,hard,more

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified April 25 12:19 EDT 2019. Contains 322456 sequences. (Running on oeis4.)