A034786 Number of linearly ordered Girard monoids of size n; number of t-norms on an n-chain inducing an involutive residual negator.

1, 1, 1, 2, 3, 7, 12, 31, 59, 161, 329, 944, 2067, 6148, 14558, 44483, 116372

Offset: 1

Author

Bernard De Baets (Bernard.DeBaets(AT)rug.ac.be), Mike Nachtegael (mike.nachtegael(AT)rug.ac.be)

Keywords

• nonn

References

• 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.

Links

• Index entries for sequences related to monoids

Crossrefs

Cf. A030453.