login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A362642 Number of nonisomorphic magmas with n elements satisfying the equations (xy)y = x and x(yz) = xy. 3
1, 1, 2, 4, 13, 47, 255, 1810, 18471, 266931 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Cf. A001329 (magmas), A361720, A362382, A362385, A362643 (labeled case).
Sequence in context: A184177 A005164 A246494 * A334444 A268951 A290722
KEYWORD
nonn,more
AUTHOR
Andrew Howroyd, Apr 28 2023
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 18 21:02 EDT 2024. Contains 374388 sequences. (Running on oeis4.)