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Search: id:A034786
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| A034786 |
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Number of linearly ordered Girard monoids of size n; number of t-norms on an n-chain inducing an involutive residual negator. |
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+0
1
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| 1, 1, 1, 2, 3, 7, 12, 31, 59, 161, 329, 944, 2067, 6148, 14558, 44483, 116372
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OFFSET
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1,4
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REFERENCES
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M. Nachtegael, The Dizzy Number of Fuzzy Implication Operators on Finite Chains, in "Fuzzy Logic and Intelligent Technologies for Nuclear Science and Industry", ed. Ruan D., Abderrahim H., D'hondt P., Kerre E., 1998, pp. 29-35.
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LINKS
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Index entries for sequences related to monoids
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CROSSREFS
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Cf. A030453.
Sequence in context: A047749 A134565 A100982 this_sequence A080107 A056156 A112837
Adjacent sequences: A034783 A034784 A034785 this_sequence A034787 A034788 A034789
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KEYWORD
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nonn
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AUTHOR
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Bernard De Baets (Bernard.DeBaets(AT)rug.ac.be), Mike Nachtegael (mike.nachtegael(AT)rug.ac.be)
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