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A107766
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Number of self-dual monotonic Boolean functions on n variables (where the result depends on all n variables).
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1
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OFFSET
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1,4
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LINKS
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Table of n, a(n) for n=1..8.
Hans-J. Bandelt and Jarmila HedlĂková, Median algebras, Discrete Mathematics, 45 (1983), 1-30.
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FORMULA
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A001206(n) = Sum[Binomial[n, k]a[k], {k, n}].
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CROSSREFS
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Cf. A001206, A107765.
Sequence in context: A135078 A195243 A269005 * A065777 A193485 A006422
Adjacent sequences: A107763 A107764 A107765 * A107767 A107768 A107769
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KEYWORD
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hard,nonn
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AUTHOR
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Don Knuth, Jun 11 2005
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EXTENSIONS
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Two more terms from Vladeta Jovovic, Jun 13 2005
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STATUS
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approved
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