A056101 Number of 8-antichain covers of a labeled n-set.

115, 1612560, 4681922770, 5933930926484, 4603693881222819, 2608258836131076210

Offset

5,1

References

V. Jovovic and G. Kilibarda, On the number of Boolean functions in the Post classes F^{mu}_8, Diskretnaya Matematika, 11 (1999), no. 4, 127-138 (translated in Discrete Mathematics and Applications, 9, (1999), no. 6)

V. Jovovic, G. Kilibarda, On enumeration of the class of all monotone Boolean functions, in preparation.

Links

Table of n, a(n) for n=5..10.

K. S. Brown, Dedekind's problem

Eric Weisstein's World of Mathematics, Antichain covers

Crossrefs

Cf. A056046-A056049, A056052, A051116.

Sequence in context: A256354 A005466 A279451 * A051116 A327110 A255925

Adjacent sequences: A056098 A056099 A056100 * A056102 A056103 A056104

Keyword

nonn

Author

Vladeta Jovovic, Goran Kilibarda, Zoran Maksimovic, Jul 28 2000

Status

approved