Reference : Integer sequence #A292934
Diverse speeches and writings : Other
Physical, chemical, mathematical & earth Sciences : Mathematics
Engineering, computing & technology : Computer science
Computational Sciences
Integer sequence #A292934
Marichal, Jean-Luc mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Mathematics Research Unit >]
[en] E.g.f.: x^2/(x+3-2*exp(x)).
[en] Number of associative and quasitrivial binary operations on {1,...,n} that have both neutral and annihilator elements.
University of Luxembourg - UL
Researchers ; Professionals ; Students

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