Reference : Integer sequence #A292933 |
Diverse speeches and writings : Other | |||
Physical, chemical, mathematical & earth Sciences : Mathematics Engineering, computing & technology : Computer science | |||
Computational Sciences | |||
http://hdl.handle.net/10993/32415 | |||
Integer sequence #A292933 | |
English | |
Marichal, Jean-Luc ![]() | |
27-Sep-2017 | |
International | |
[en] E.g.f.: x/(x+3-2*exp(x)). | |
[en] Number of associative and quasitrivial binary operations on {1,...,n} that have neutral elements. Also: Number of associative and quasitrivial binary operations on {1,...,n} that have annihilator elements. | |
University of Luxembourg - UL | |
Researchers ; Professionals ; Students | |
http://hdl.handle.net/10993/32415 | |
https://oeis.org/A292933 |
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