A138081 - OEIS

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A138081

Number of paratopy classes (also called species, or main classes) of 4-dimensional Latin hypercubes of order n.

0

1, 1, 1, 26, 86

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

LINKS

Table of n, a(n) for n=1..5.

B. D. McKay and I. M. Wanless, A census of small latin hypercubes, SIAM J. Discrete Math. 22, (2008) 719-736.

CROSSREFS

Sequence in context: A239172 A291631 A325819 * A118543 A048509 A044213

Adjacent sequences: A138078 A138079 A138080 * A138082 A138083 A138084

KEYWORD

nonn,more,hard

AUTHOR

Ian Wanless, May 01 2008

STATUS

approved